Authors: J K Andrus; D W Fleming; C Knox; R O McAlister; M R Skeels; R E Conrad; J M Horan; L R Foster Journal: Am J Public Health Date: 1989-07 Impact factor: 9.308
Authors: Evan Wood; Kathy Li; Will Small; Julio S Montaner; Martin T Schechter; Thomas Kerr Journal: Public Health Rep Date: 2005 Mar-Apr Impact factor: 2.792