Authors: R D Speller; D R White; C K Showalter; L N Rothenberg; K S Pentlow; T J Morgan; T B Shope Journal: Br J Radiol Date: 1981-12 Impact factor: 3.039
Authors: U Elkayam; T H Lejemtel; M Mathur; H S Ribner; W H Frishman; J Strom; E H Sonnenblick Journal: Am J Cardiol Date: 1979-09 Impact factor: 2.778