Authors: A Maseri; S Severi; M D Nes; A L'Abbate; S Chierchia; M Marzilli; A M Ballestra; O Parodi; A Biagini; A Distante Journal: Am J Cardiol Date: 1978-12 Impact factor: 2.778
Authors: R D Burow; H W Strauss; R Singleton; M Pond; T Rehn; I K Bailey; L C Griffith; E Nickoloff; B Pitt Journal: Circulation Date: 1977-12 Impact factor: 29.690