Authors: S F Davis; P M Strebel; W L Atkinson; L E Markowitz; R W Sutter; K S Scanlon; S Friedman; S C Hadler Journal: Am J Public Health Date: 1993-07 Impact factor: 9.308
Authors: P G Szilagyi; L E Rodewald; S G Humiston; J Hager; K J Roghmann; C Doane; L Cove; G V Fleming; C B Hall Journal: Pediatrics Date: 1994-10 Impact factor: 7.124