[Cardiac arrhythmia in the active population (clinical guidelines for the practitioner) by the Working Group of the European Society of Cardiology]. [electronic resource] - La Revue du praticien Nov 1981 - 3891-2 passim p. digital Publication Type: Journal Article ISSN: 0035-2640 Subjects--Topical Terms: Arrhythmias, Cardiac--diagnosisHumans