Authors: S R Young; C F Shipley; R V Wade; J G Edwards; M B Waters; M L Cantu; R G Best; E J Dennis Journal: Am J Obstet Gynecol Date: 1991-08 Impact factor: 8.661
Authors: D H Ledbetter; A O Martin; Y Verlinsky; E Pergament; L Jackson; T Yang-Feng; S A Schonberg; F Gilbert; J M Zachary; M Barr Journal: Am J Obstet Gynecol Date: 1990-02 Impact factor: 8.661