Authors: G J van Griensven; R A Tielman; J Goudsmit; J van der Noordaa; F de Wolf; E M de Vroome; R A Coutinho Journal: Am J Epidemiol Date: 1987-06 Impact factor: 4.897
Authors: W W Darrow; D F Echenberg; H W Jaffe; P M O'Malley; R H Byers; J P Getchell; J W Curran Journal: Am J Public Health Date: 1987-04 Impact factor: 9.308