Roberto Romero1. 1. Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development/National Institutes of Health/Department of Health and Human Services. Electronic address: rr.ajoged@gmail.com.
Authors: J R Niebyl; D A Blake; R D White; K M Kumor; N H Dubin; J C Robinson; P G Egner Journal: Am J Obstet Gynecol Date: 1980-04-15 Impact factor: 8.661