Authors: D A Weiner; T J Ryan; C H McCabe; J W Kennedy; M Schloss; F Tristani; B R Chaitman; L D Fisher Journal: N Engl J Med Date: 1979-08-02 Impact factor: 91.245
Authors: J N Tobin; S Wassertheil-Smoller; J P Wexler; R M Steingart; N Budner; L Lense; J Wachspress Journal: Ann Intern Med Date: 1987-07 Impact factor: 25.391