Authors: L I Kupferwasser; M R Yeaman; S M Shapiro; C C Nast; P M Sullam; S G Filler; A S Bayer Journal: Circulation Date: 1999-06-01 Impact factor: 29.690
Authors: J M Steckelberg; J G Murphy; D Ballard; K Bailey; A J Tajik; C P Taliercio; E R Giuliani; W R Wilson Journal: Ann Intern Med Date: 1991-04-15 Impact factor: 25.391