Authors: F L Black; W J Hierholzer; F Pinheiro; A S Evans; J P Woodall; E M Opton; J E Emmons; B S West; G Edsall; W G Downs; G D Wallace Journal: Am J Epidemiol Date: 1974-09 Impact factor: 4.897
Authors: K Murray; P Selleck; P Hooper; A Hyatt; A Gould; L Gleeson; H Westbury; L Hiley; L Selvey; B Rodwell Journal: Science Date: 1995-04-07 Impact factor: 47.728