Authors: S B Cannon; J M Veazey; R S Jackson; V W Burse; C Hayes; W E Straub; P J Landrigan; J A Liddle Journal: Am J Epidemiol Date: 1978-06 Impact factor: 4.897
Authors: L G Branch; T T Wetle; P A Scherr; N R Cook; D A Evans; L E Hebert; E N Masland; M E Keough; J O Taylor Journal: Am J Public Health Date: 1988-03 Impact factor: 9.308