Authors: R H CLAUSS; W C BIRTWELL; G ALBERTAL; S LUNZER; W J TAYLOR; A M FOSBERG; D E HARKEN Journal: J Thorac Cardiovasc Surg Date: 1961-04 Impact factor: 5.209
Authors: S Scheidt; G Wilner; H Mueller; D Summers; M Lesch; G Wolff; J Krakauer; M Rubenfire; P Fleming; G Noon; N Oldham; T Killip; A Kantrowitz Journal: N Engl J Med Date: 1973-05-10 Impact factor: 91.245