Authors: R A Schulze; J O Humphries; L S Griffith; H Ducci; S Achuff; M G Baird; E D Mellits; B Pitt Journal: Circulation Date: 1977-06 Impact factor: 29.690
Authors: M C Hindman; G S Wagner; M JaRo; J M Atkins; M M Scheinman; R W DeSanctis; A H Hutter; L Yeatman; M Rubenfire; C Pujura; M Rubin; J J Morris Journal: Circulation Date: 1978-10 Impact factor: 29.690