Authors: C M Wilfert; R H Buckley; T Mohanakumar; J F Griffith; S L Katz; J K Whisnant; P A Eggleston; M Moore; E Treadwell; M N Oxman; F S Rosen Journal: N Engl J Med Date: 1977-06-30 Impact factor: 91.245
Authors: J L Sullivan; H D Ochs; G Schiffman; M R Hammerschlag; J Miser; E Vichinsky; R J Wedgwood Journal: Lancet Date: 1978-01-28 Impact factor: 79.321