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Journal of Electrocardiology|April 1, 1976
Mobitz II atrioventricular block due to infra-Hisian block and bundle branch extrasystolesE I Curtiss, R H Heibel, J A Shaver
Chest|May 1, 1976
Coronary arteritis in systemic lupus erythematosusR H Heibel, J D O'Toole, E I Curtiss, et al.
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