Mathew, M TVijayaraghaven, GRoy, V CPai, K N1972-07-012009-05-271972-07-012009-05-271972-07-01Mathew MT, Vijayaraghaven G, Roy VC, Pai KN. Diagnostic puzzle. Indian Heart Journal. 1972 Jul; 24(3): 316-7http://imsear.searo.who.int/handle/123456789/6074engAdultCardiac Complexes, Premature --diagnosisElectrocardiographyHumansMaleTachycardia, Paroxysmal --diagnosisCase Reports