Authors: M Hernández Avila; M H Liang; W C Willett; M J Stampfer; G A Colditz; B Rosner; W N Roberts; C H Hennekens; F E Speizer Journal: Epidemiology Date: 1990-07 Impact factor: 4.822
Authors: F Wolfe; D M Mitchell; J T Sibley; J F Fries; D A Bloch; C A Williams; P W Spitz; M Haga; S M Kleinheksel; M A Cathey Journal: Arthritis Rheum Date: 1994-04