المؤلفون: Zhang GH; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China. fengzong117@aliyun.com., Cui LJ; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China., Li AY; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China., Zhang JP; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China., Liu Y; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China., Zhao JS; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China., Xu XB; National Research Institute for Family Planning, Beijing, P. R. China., He B; National Research Institute for Family Planning, Beijing, P. R. China., Wang JD; National Research Institute for Family Planning, Beijing, P. R. China., Chu L; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China., Li YF; Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, P. R. China.

المصدر: Molecular reproduction and development [Mol Reprod Dev] 2016 Sep; Vol. 83 (9), pp. 780-791. Date of Electronic Publication: 2016 Sep 09.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Wiley-Liss Country of Publication: United States NLM ID: 8903333 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1098-2795 (Electronic) Linking ISSN: 1040452X NLM ISO Abbreviation: Mol Reprod Dev Subsets: MEDLINE

مواضيع طبية MeSH: Endometrium*/metabolism , Endometrium*/pathology , Uterine Diseases*/chemically induced , Uterine Diseases*/metabolism , Uterine Diseases*/pathology , Uterine Hemorrhage*/chemically induced , Uterine Hemorrhage*/metabolism , Uterine Hemorrhage*/pathology, Contraceptives, Oral, Hormonal/*adverse effects , Progesterone/*metabolism , Transcription Factor RelA/*metabolism, Animals ; Contraceptives, Oral, Hormonal/pharmacology ; Disease Models, Animal ; Female ; Mice ; Receptors, Progesterone/metabolism

المؤلفون: Darre Haahr P; Department of Obstetrics and Gynecology, Odense University Hospital, Odense, Denmark., Nielsen NB; Department of Obstetrics and Gynecology, Odense University Hospital, Odense, Denmark., Grunnet I; Department of Obstetrics and Gynecology, Odense University Hospital, Odense, Denmark., Rudnicki M; Department of Obstetrics and Gynecology, Odense University Hospital, Odense, Denmark.

المصدر: Acta obstetricia et gynecologica Scandinavica [Acta Obstet Gynecol Scand] 2020 Nov; Vol. 99 (11), pp. 1554-1560. Date of Electronic Publication: 2020 Jul 20.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Wiley Country of Publication: United States NLM ID: 0370343 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1600-0412 (Electronic) Linking ISSN: 00016349 NLM ISO Abbreviation: Acta Obstet Gynecol Scand Subsets: MEDLINE

مواضيع طبية MeSH: Contraceptive Agents, Hormonal/*therapeutic use , Endometrial Ablation Techniques/*statistics & numerical data , Endometrium/*surgery , Intrauterine Devices, Medicated/*statistics & numerical data , Menorrhagia/*therapy, Cohort Studies ; Combined Modality Therapy ; Denmark ; Female ; Humans ; Hysterectomy/statistics & numerical data ; Levonorgestrel/therapeutic use ; Menorrhagia/drug therapy ; Menorrhagia/surgery ; Middle Aged ; Progesterone/therapeutic use ; Progesterone Congeners/therapeutic use ; Retrospective Studies ; Treatment Outcome

المؤلفون: Hamza MS; Clinical Pharmacy Practice Department, Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, P.O. Box 43, Cairo, 11837, Egypt. marwa.hamza@bue.edu.eg.; The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, P.O. Box 43, Cairo, 11837, Egypt. marwa.hamza@bue.edu.eg., Ramadan E; The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, P.O. Box 43, Cairo, 11837, Egypt.; Pharmacology and Biochemistry Department, Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, P.O. Box 43, Cairo, 11837, Egypt., Salama SA; Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University Nasr City, Cairo, 11751, Egypt.

المصدر: Scientific reports [Sci Rep] 2021 Apr 23; Vol. 11 (1), pp. 8863. Date of Electronic Publication: 2021 Apr 23.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE

مواضيع طبية MeSH: Endometrium/*drug effects , Fatty Acids/*metabolism , Glucose/*metabolism , Hypoglycemic Agents/*pharmacology , Metformin/*pharmacology , Norpregnadienes/*pharmacology, Animals ; Apoptosis/drug effects ; Cell Proliferation/drug effects ; Endometrium/metabolism ; Endometrium/pathology ; Estrogen Receptor alpha/metabolism ; Female ; Hypoglycemic Agents/metabolism ; Organ Size/drug effects ; Rats ; Rats, Wistar ; Receptors, Progesterone/metabolism

المؤلفون: Xi J; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China.; Key Laboratory of Acupuncture and Medicine Research of Ministry of Education, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Cheng J; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Jin CC; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Liu JY; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Shen ZR; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Xia LJ; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Li Q; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China.; Key Laboratory of Acupuncture and Medicine Research of Ministry of Education, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Shen J; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China., Xia YB; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China.; Xuzhou Medical University, Xuzhou 221004, China., Xu B; Acupuncture and Tuina College, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China.; Key Laboratory of Acupuncture and Medicine Research of Ministry of Education, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China.

المصدر: BioMed research international [Biomed Res Int] 2021 Apr 15; Vol. 2021, pp. 6658321. Date of Electronic Publication: 2021 Apr 15 (Print Publication: 2021).

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Hindawi Pub. Co Country of Publication: United States NLM ID: 101600173 Publication Model: eCollection Cited Medium: Internet ISSN: 2314-6141 (Electronic) NLM ISO Abbreviation: Biomed Res Int Subsets: MEDLINE

مواضيع طبية MeSH: Electroacupuncture* , Pregnancy Outcome*, Endometrium/*metabolism , Endometrium/*pathology, Animals ; Disease Models, Animal ; Embryo Implantation ; Endometrium/ultrastructure ; Estrogen Receptor alpha/metabolism ; Estrous Cycle ; Female ; Male ; Pregnancy ; Rats, Sprague-Dawley ; Receptors, Progesterone/metabolism ; Rats

المؤلفون: Strunz B; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden. benedikt.strunz@ki.se niklas.bjorkstrom@ki.se., Bister J; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Jönsson H; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Filipovic I; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Crona-Guterstam Y; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.; Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.; Department of Gynecology and Reproductive Medicine, Karolinska University Hospital Huddinge, Stockholm, Sweden., Kvedaraite E; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.; Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden., Sleiers N; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Dumitrescu B; Department of Obstetrics and Gynecology, Mälarsjukhuset, Eskilstuna, Sweden., Brännström M; Department of Obstetrics and Gynecology, University of Gothenburg, Gothenburg, Sweden., Lentini A; Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden., Reinius B; Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden., Cornillet M; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Willinger T; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Gidlöf S; Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.; Department of Gynecology and Reproductive Medicine, Karolinska University Hospital Huddinge, Stockholm, Sweden.; Department of Obstetrics and Gynecology, Stockholm South General Hospital, Stockholm, Sweden., Hamilton RS; Centre for Trophoblast Research, University of Cambridge, Cambridge, UK.; Department of Genetics, University of Cambridge, Cambridge, UK., Ivarsson MA; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden., Björkström NK; Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden. benedikt.strunz@ki.se niklas.bjorkstrom@ki.se.

المصدر: Science immunology [Sci Immunol] 2021 Feb 19; Vol. 6 (56). Date of Electronic Publication: 2021 Feb 19.

نوع المنشور: Journal Article; Observational Study; Research Support, Non-U.S. Gov't

بيانات الدورية: Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 101688624 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2470-9468 (Electronic) Linking ISSN: 24709468 NLM ISO Abbreviation: Sci Immunol Subsets: MEDLINE

مواضيع طبية MeSH: Cell Differentiation/*immunology , Endometrium/*immunology , Killer Cells, Natural/*physiology , Regeneration/*immunology, Animals ; Antigens, Differentiation/genetics ; Endometrium/metabolism ; Female ; Gene Knock-In Techniques ; Healthy Volunteers ; Human Umbilical Vein Endothelial Cells ; Humans ; Interleukin-15/metabolism ; Killer Cells, Natural/transplantation ; Longitudinal Studies ; Lymphocyte Activation ; Menstrual Cycle/immunology ; Mice ; Mice, Transgenic ; Pregnancy ; Progesterone/metabolism ; Receptors, Immunologic/genetics

المؤلفون: Choi J; Infertility Clinic, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea., Jo M; Center for Clinical Research, Samsung Biomedical Research Institute, Seoul 06351, Korea., Lee E; Infertility Clinic, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea., Lee DY; Infertility Clinic, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea., Choi D; Infertility Clinic, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea.

المصدر: Molecular human reproduction [Mol Hum Reprod] 2021 Feb 05; Vol. 27 (2).

نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't

بيانات الدورية: Publisher: Oxford University Press for the European Society for Human Reproduction and Embryology Country of Publication: England NLM ID: 9513710 Publication Model: Print Cited Medium: Internet ISSN: 1460-2407 (Electronic) Linking ISSN: 13609947 NLM ISO Abbreviation: Mol Hum Reprod Subsets: MEDLINE

مواضيع طبية MeSH: Endometriosis/*metabolism , Endometrium/*drug effects , Endoplasmic Reticulum Stress/*drug effects , NF-kappa B/*metabolism , Progesterone/*pharmacology , Stromal Cells/*drug effects, CCAAT-Enhancer-Binding Protein-beta/metabolism ; Case-Control Studies ; Cells, Cultured ; Cyclooxygenase 2/metabolism ; Cytokines/metabolism ; Endometriosis/pathology ; Endometrium/metabolism ; Endometrium/pathology ; Endoplasmic Reticulum Chaperone BiP ; Female ; Heat-Shock Proteins/metabolism ; Humans ; Inflammation Mediators/metabolism ; Signal Transduction ; Stromal Cells/metabolism ; Stromal Cells/pathology ; Tumor Necrosis Factor alpha-Induced Protein 3/metabolism

المؤلفون: Marla S; Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia., Mortlock S; Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia., Houshdaran S; Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Reproductive Sciences, University of California, San Francisco, CA 94143, USA., Fung J; Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia.; School of Biomedical Sciences, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia., McKinnon B; Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia.; Department of Gynaecology, Inselspital, Bern, Switzerland., Holdsworth-Carson SJ; Department of Obstetrics and Gynaecology, Gynaecology Research Centre, Royal Women's Hospital, University of Melbourne, Parkville, VIC 3052, Australia., Girling JE; Department of Obstetrics and Gynaecology, Gynaecology Research Centre, Royal Women's Hospital, University of Melbourne, Parkville, VIC 3052, Australia.; Department of Anatomy, University of Otago, Dunedin 9016, New Zealand., Rogers PAW; Department of Obstetrics and Gynaecology, Gynaecology Research Centre, Royal Women's Hospital, University of Melbourne, Parkville, VIC 3052, Australia., Giudice LC; Department of Obstetrics, Gynecology and Reproductive Sciences, Center for Reproductive Sciences, University of California, San Francisco, CA 94143, USA., Montgomery GW; Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, QLD 4072, Australia.

المصدر: Molecular human reproduction [Mol Hum Reprod] 2021 Jan 22; Vol. 27 (1).

نوع المنشور: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

بيانات الدورية: Publisher: Oxford University Press for the European Society for Human Reproduction and Embryology Country of Publication: England NLM ID: 9513710 Publication Model: Print Cited Medium: Internet ISSN: 1460-2407 (Electronic) Linking ISSN: 13609947 NLM ISO Abbreviation: Mol Hum Reprod Subsets: MEDLINE

مواضيع طبية MeSH: Gene Expression Regulation* , Genetic Predisposition to Disease*, Endometriosis/*genetics , Endometrium/*metabolism , Estrogen Receptor alpha/*genetics, Endometriosis/blood ; Estradiol/blood ; Female ; Genetic Variation ; Humans ; Menstrual Cycle/metabolism ; Progesterone/blood ; Receptors, Cytoplasmic and Nuclear/metabolism ; Risk Factors

المؤلفون: Madoz LV; Instituto de Investigaciones en Reproducción Animal (INIRA), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina; National Research Council, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina., Rabaglino MB; National Research Council, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina; Instituto de Investigación en Ciencias de la Salud, Consejo Nacional de Investigaciones Científicas y Técnicas, Córdoba, Argentina., Migliorisi AL; Instituto de Investigaciones en Reproducción Animal (INIRA), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina., Jaureguiberry M; Instituto de Investigaciones en Reproducción Animal (INIRA), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina; National Research Council, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina., Perez Wallace S; Práctica Privada, Tandil, BA, Argentina., Lorenti N; Práctica Privada, Brandsen, BA, Argentina., Domínguez G; Práctica Privada, Venado Tuerto, SF, Argentina., Giuliodori MJ; Cátedra de Fisiología, Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina., de la Sota RL; Instituto de Investigaciones en Reproducción Animal (INIRA), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina; National Research Council, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina. Electronic address: dairydoc82@gmail.com.

المصدر: Domestic animal endocrinology [Domest Anim Endocrinol] 2021 Jan; Vol. 74, pp. 106481. Date of Electronic Publication: 2020 Apr 08.

نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't

بيانات الدورية: Publisher: Elsevier Country of Publication: United States NLM ID: 8505191 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-0054 (Electronic) Linking ISSN: 07397240 NLM ISO Abbreviation: Domest Anim Endocrinol Subsets: MEDLINE

مواضيع طبية MeSH: Cattle Diseases/*metabolism , Endometritis/*veterinary , Endometrium/*metabolism , Estrous Cycle/*physiology , Inflammation/*veterinary , Progesterone/*metabolism, Animals ; Cattle ; Down-Regulation ; Endometritis/metabolism ; Female ; Fertility/physiology ; Gene Expression Regulation/physiology ; Inflammation/metabolism ; RNA/genetics ; RNA/metabolism ; Up-Regulation

المؤلفون: Salmasi S; Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran., Sharifi M; Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran., Rashidi B; Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran. Electronic address: b_rashidi@med.mui.ac.ir.

المصدر: Microvascular research [Microvasc Res] 2021 Jan; Vol. 133, pp. 104074. Date of Electronic Publication: 2020 Sep 17.

نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't

بيانات الدورية: Publisher: Academic Press Country of Publication: United States NLM ID: 0165035 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-9319 (Electronic) Linking ISSN: 00262862 NLM ISO Abbreviation: Microvasc Res Subsets: MEDLINE

مواضيع طبية MeSH: Ovulation Induction*, Chorionic Gonadotropin/*pharmacology , Endometrium/*blood supply , Endometrium/*drug effects , Endothelial Cells/*drug effects , Fertility Agents, Female/*pharmacology , Menotropins/*pharmacology , MicroRNAs/*metabolism , Neovascularization, Physiologic/*drug effects , Progesterone/*pharmacology , Vascular Endothelial Growth Factor A/*metabolism, Animals ; Endometrium/metabolism ; Endothelial Cells/metabolism ; Female ; Mice ; MicroRNAs/genetics ; Signal Transduction

المؤلفون: Mamedalieva NM; Scientific Center for Obstetrics, Gynecology and Perinatology, Almaty, Kazakhstan.; Obstetrics and Gynecology Department, S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan., Kurmanova AM; Scientific Center for Obstetrics, Gynecology and Perinatology, Almaty, Kazakhstan.; Clinical specialties Department, Al-Farabi Kazakh National University, Almaty, Kazakhstan., Baikoshkarova SB; IVF Clinic 'Ecomed', Almaty, Kazakhstan., Issenova S; Obstetrics and Gynecology Department, S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan., Bishekova B; Obstetrics and Gynecology Department, S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan., Anartayeva GZ; IVF Clinic 'Ecomed', Almaty, Kazakhstan.

المصدر: Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology [Gynecol Endocrinol] 2021; Vol. 37 (sup1), pp. 26-30.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Informa Healthcare Country of Publication: England NLM ID: 8807913 Publication Model: Print Cited Medium: Internet ISSN: 1473-0766 (Electronic) Linking ISSN: 09513590 NLM ISO Abbreviation: Gynecol Endocrinol Subsets: MEDLINE

مواضيع طبية MeSH: Endometrium/*diagnostic imaging , Infertility, Female/*drug therapy , Progesterone/*administration & dosage, Adult ; Endometrium/metabolism ; Female ; Humans ; Infertility, Female/diagnostic imaging ; Infertility, Female/metabolism ; Interferon-gamma/metabolism ; Interleukin-1/metabolism ; Interleukin-10/metabolism ; Ultrasonography