Authors: M H Weinberger; C E Grim; J W Hollifield; D C Kem; A Ganguly; N J Kramer; H Y Yune; H Wellman; J P Donohue Journal: Ann Intern Med Date: 1979-03 Impact factor: 25.391
Authors: J B Ferriss; J J Brown; R Fraser; A W Kay; A M Neville; I G O'Muircheartaigh; J I Robertson; T Symington; A F Lever Journal: Lancet Date: 1970-11-14 Impact factor: 79.321