Authors: J D Hill; T G O'Brien; J J Murray; L Dontigny; M L Bramson; J J Osborn; F Gerbode Journal: N Engl J Med Date: 1972-03-23 Impact factor: 91.245
Authors: W M Zapol; M T Snider; J D Hill; R J Fallat; R H Bartlett; L H Edmunds; A H Morris; E C Peirce; A N Thomas; H J Proctor; P A Drinker; P C Pratt; A Bagniewski; R G Miller Journal: JAMA Date: 1979-11-16 Impact factor: 56.272