Authors: T J Martin; J D Hovis; J P Costantino; M I Bierman; M P Donahoe; R M Rogers; J W Kreit; F C Sciurba; R A Stiller; M H Sanders Journal: Am J Respir Crit Care Med Date: 2000-03 Impact factor: 21.405
Authors: D E Niewoehner; M L Erbland; R H Deupree; D Collins; N J Gross; R W Light; P Anderson; N A Morgan Journal: N Engl J Med Date: 1999-06-24 Impact factor: 91.245