Authors: E D Santoian; J E Schneider; M B Gravanis; M Foegh; N Tarazona; G D Cipolla; S B King Journal: Circulation Date: 1993-07 Impact factor: 29.690
Authors: S Yusuf; D Zucker; P Peduzzi; L D Fisher; T Takaro; J W Kennedy; K Davis; T Killip; E Passamani; R Norris Journal: Lancet Date: 1994-08-27 Impact factor: 79.321