Authors: J E Gadek; J A Kelman; G Fells; S E Weinberger; A L Horwitz; H Y Reynolds; J D Fulmer; R G Crystal Journal: N Engl J Med Date: 1979-10-04 Impact factor: 91.245
Authors: S E Weinberger; J A Kelman; N A Elson; R C Young; H Y Reynolds; J D Fulmer; R G Crystal Journal: Ann Intern Med Date: 1978-10 Impact factor: 25.391