1. The low-frequency response of electrocardiographs, a frequent source of recording errors;Berson, A.S.; Pipberger, H.V.;Amer. HeartJ,1966
2. Bisteni, A., Medrano, G. A., and Sodi-Pallares, D. (1961).
3. The electrocardiogram in population studies; a classification system;Blackburn, H.; Keys, A.; Simonson, E.; Rautaharju, P.; Pursar, S.;Circulation,1960
4. Report of Annual Representative Meeting;British Medical Association;Brit. med. J,1968
5. Return to normal of the electrocardiogram after myocardial infarction;Burns-Cox, C.J.;Lancet,1967