Authors: A Chockalingam; D Abbott; M Bass; R Battista; R Cameron; J de Champlain; C E Evans; J Laidlaw; B L Lee; L Leiter Journal: CMAJ Date: 1990-06-15 Impact factor: 8.262
Authors: C A Williams; S A Beresford; S A James; A Z LaCroix; D S Strogatz; E H Wagner; D G Kleinbaum; L M Cutchin; M A Ibrahim Journal: Am J Public Health Date: 1985-05 Impact factor: 9.308