Authors: P A Selwyn; E E Schoenbaum; K Davenny; V J Robertson; A R Feingold; J F Shulman; M M Mayers; R S Klein; G H Friedland; M F Rogers Journal: JAMA Date: 1989-03-03 Impact factor: 56.272
Authors: R S Sperling; P Stratton; M J O'Sullivan; P Boyer; D H Watts; J S Lambert; H Hammill; E G Livingston; D J Gloeb; H Minkoff Journal: N Engl J Med Date: 1992-03-26 Impact factor: 91.245