Authors: R Tamblyn; L Berkson; W D Dauphinee; D Gayton; R Grad; A Huang; L Isaac; P McLeod; L Snell Journal: Ann Intern Med Date: 1997-09-15 Impact factor: 25.391
Authors: S K Swan; D W Rudy; K C Lasseter; C F Ryan; K L Buechel; L J Lambrecht; M B Pinto; S C Dilzer; O Obrda; K J Sundblad; C P Gumbs; D L Ebel; H Quan; P J Larson; J I Schwartz; T A Musliner; B J Gertz; D C Brater; S L Yao Journal: Ann Intern Med Date: 2000-07-04 Impact factor: 25.391