PUTINTSEVA, T G [On the secretion of stimulating substances during parasympathetic activity on the heart in frogs]. [electronic resource] - Fiziologicheskii zhurnal SSSR imeni I. M. Sechenova 1960 - 84-9 p. digital Publication Type: Journal Article ISSN: 0015-329X Subjects--Topical Terms: AnimalsAnuraHeart--physiologyRanidaeVagus Nerve--physiology