RT Book, Section A1 Cunningham, F. Gary A1 Leveno, Kenneth J. A1 Bloom, Steven L. A1 Dashe, Jodi S. A1 Hoffman, Barbara L. A1 Casey, Brian M. A1 Spong, Catherine Y. SR Print(0) ID 1160772693 T1 Embryogenesis and Fetal Development T2 Williams Obstetrics, 25e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259644320 LK accessmedicine.mhmedical.com/content.aspx?aid=1160772693 RD 2024/04/16 AB Our knowledge concerning the physiology of the foetus has been markedly enriched during recent years; nevertheless, when compared with the adult, it offers many points concerning which we are but slightly informed or profoundly ignorant.—J. Whitridge Williams (1903)