![Myocardial imaging with thallium-201: A multicenter study in patients with angina pectoris or acute myocardial infarction]()
Myocardial imaging with thallium-201: A multicenter study in patients with angina pectoris or acute myocardial infarctionJames L. Ritchie; Barry L. Zaret; H.William Strauss; Bertram Pitt; Daniel S. Berman; Heinrich R. Schelbert; William L. Ashburn; Harvey J. Berger; Glen W. Hamilton · 1978