Authors: S M Ostroff; P M Griffin; R V Tauxe; L D Shipman; K D Greene; J G Wells; J H Lewis; P A Blake; J M Kobayashi Journal: Am J Epidemiol Date: 1990-08 Impact factor: 4.897
Authors: R L Salmon; I D Farrell; J G Hutchison; D J Coleman; R J Gross; N K Fry; B Rowe; S R Palmer Journal: Epidemiol Infect Date: 1989-10 Impact factor: 2.451