Authors: Douglas Altman; Guillermo Carroli; Lelia Duley; Barbara Farrell; Jack Moodley; James Neilson; David Smith Journal: Lancet Date: 2002-06-01 Impact factor: 79.321
Authors: Paul J Meis; Mark Klebanoff; Elizabeth Thom; Mitchell P Dombrowski; Baha Sibai; Atef H Moawad; Catherine Y Spong; John C Hauth; Menachem Miodovnik; Michael W Varner; Kenneth J Leveno; Steve N Caritis; Jay D Iams; Ronald J Wapner; Deborah Conway; Mary J O'Sullivan; Marshall Carpenter; Brian Mercer; Susan M Ramin; John M Thorp; Alan M Peaceman; Steven Gabbe Journal: N Engl J Med Date: 2003-06-12 Impact factor: 91.245