Stopczyk, M [Pacemaker triggered by atrial rhythm in the treatment of atrioventricular block]. [electronic resource] - Polskie Archiwum Medycyny Wewnetrznej 1968 - 783-93 p. digital Publication Type: Journal Article Subjects--Topical Terms: ElectrodesHeart Block--therapyHeart VentriclesHumansMethodsPacemaker, Artificial