Gupta, M C Disorders of rate and rhythm of heart beat in paediatric practice. [electronic resource] - Journal of the Indian Medical Association Nov 1971 - 332-6 p. digital Publication Type: Journal Article ISSN: 0019-5847 Subjects--Topical Terms: Arrhythmias, Cardiac--chemically inducedChildChild, PreschoolDigitalis Glycosides--adverse effectsElectrocardiographyHumansInfantRheumatic Heart Disease--complications