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المؤلفون: Tove S. Rosen, Stacey Saunders-Adams, Kathleen G. Ezell, Helen L. Johnson, Marilyn W. Lewis, Liyun Wu, Danielle L. Hiance-Steelesmith
المصدر: Journal of Human Behavior in the Social Environment. 25:246-260
مصطلحات موضوعية: Pregnancy, Fetus at risk, Free play, Anthropology, medicine, CBCL, Toddler, medicine.disease, Psychology, Check List, Social Sciences (miscellaneous), Developmental psychology