Authors: G A Patterson; J D Cooper; B Goldman; R D Weisel; F G Pearson; P F Waters; T R Todd; H Scully; M Goldberg; R J Ginsberg Journal: Ann Thorac Surg Date: 1988-06 Impact factor: 4.330
Authors: R F Grossman; A Frost; N Zamel; G A Patterson; J D Cooper; P R Myron; C L Dear; J Maurer Journal: N Engl J Med Date: 1990-03-15 Impact factor: 91.245