Stojan, M [Effect of thoracotomy and exposure of the heart in situ on limb-lead electrocardiography in the frog]. [electronic resource] - Sbornik lekarsky Nov 1965 - 327-40 p. digital Publication Type: Journal Article ISSN: 0036-5327 Subjects--Topical Terms: AnimalsAnuraElectrocardiographyHeart--physiology