Authors: S Dayton; M L Pearce; H Goldman; A Harnish; D Plotkin; M Shickman; M Winfield; A Zager; W Dixon Journal: Lancet Date: 1968-11-16 Impact factor: 79.321
Authors: G Christakis; S H Rinzler; M Archer; G Winslow; S Jampel; J Stephenson; G Friedman; H Fein; A Kraus; G James Journal: Am J Public Health Nations Health Date: 1966-02