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المؤلفون: S M S, Liem, G J, van Baaren, F M C, Delemarre, I M, Evers, G, Kleiverda, A J, van Loon, J, Langenveld, N, Schuitemaker, J M, Sikkema, B C, Opmeer, M G, van Pampus, B W J, Mol, D J, Bekedam
المصدر: Ultrasound in obstetricsgynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 44(3)
مصطلحات موضوعية: Adult, Cost-Benefit Analysis, Pregnancy Outcome, Prenatal Care, Cervix Uteri, Pessaries, Models, Economic, Cervical Length Measurement, Pregnancy, Humans, Premature Birth, Female, Pregnancy, Multiple, Randomized Controlled Trials as Topic