Authors: W G Wood; K Pearce; J B Clegg; D J Weatherall; J S Robinson; G D Thorburn; G S Dawes Journal: Nature Date: 1976 Dec 23-30 Impact factor: 49.962
Authors: T J Ley; J DeSimone; N P Anagnou; G H Keller; R K Humphries; P H Turner; N S Young; P Keller; A W Nienhuis Journal: N Engl J Med Date: 1982-12-09 Impact factor: 91.245