Authors: P C Hébert; G Wells; M A Blajchman; J Marshall; C Martin; G Pagliarello; M Tweeddale; I Schweitzer; E Yetisir Journal: N Engl J Med Date: 1999-02-11 Impact factor: 91.245
Authors: P J Pronovost; M W Jenckes; T Dorman; E Garrett; M J Breslow; B A Rosenfeld; P A Lipsett; E Bass Journal: JAMA Date: 1999-04-14 Impact factor: 56.272