Authors: A M Peaceman; W W Andrews; J M Thorp; S P Cliver; A Lukes; J D Iams; L Coultrip; N Eriksen; R H Holbrook; J Elliott; C Ingardia; M Pietrantoni Journal: Am J Obstet Gynecol Date: 1997-07 Impact factor: 8.661
Authors: J D Iams; R L Goldenberg; P J Meis; B M Mercer; A Moawad; A Das; E Thom; D McNellis; R L Copper; F Johnson; J M Roberts Journal: N Engl J Med Date: 1996-02-29 Impact factor: 91.245