Authors: A Salustri; A E Becker; L van Herwerden; W B Vletter; F J Ten Cate; J R Roelandt Journal: J Am Coll Cardiol Date: 1996-05 Impact factor: 24.094
Authors: R A Levine; M D Handschumacher; A J Sanfilippo; A A Hagege; P Harrigan; J E Marshall; A E Weyman Journal: Circulation Date: 1989-09 Impact factor: 29.690