Authors: P A Selwyn; D Hartel; V A Lewis; E E Schoenbaum; S H Vermund; R S Klein; A T Walker; G H Friedland Journal: N Engl J Med Date: 1989-03-02 Impact factor: 91.245
Authors: M L Pearson; J A Jereb; T R Frieden; J T Crawford; B J Davis; S W Dooley; W R Jarvis Journal: Ann Intern Med Date: 1992-08-01 Impact factor: 25.391
Authors: B R Edlin; J I Tokars; M H Grieco; J T Crawford; J Williams; E M Sordillo; K R Ong; J O Kilburn; S W Dooley; K G Castro Journal: N Engl J Med Date: 1992-06-04 Impact factor: 91.245