Authors: N Athayde; R Romero; R Gomez; E Maymon; P Pacora; M Mazor; B H Yoon; S Fortunato; R Menon; F Ghezzi; S S Edwin Journal: J Matern Fetal Med Date: 1999 Sep-Oct
Authors: A J Thomson; J F Telfer; A Young; S Campbell; C J Stewart; I T Cameron; I A Greer; J E Norman Journal: Hum Reprod Date: 1999-01 Impact factor: 6.918