title: [The adaptive capacity of the hearts of frogs, puppies and adult dogs in response to prolonged sympathetic stimulation].
mesh_terms: D000109:Acetylcholine / Q000032:analysis; D000222:Adaptation, Physiological; D000367:Age Factors; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004285:Dogs; D006321:Heart / Q000294:innervation / Q000502:physiology*; D006339:Heart Rate; D009200:Myocardial Contraction; D009206:Myocardium / Q000032:analysis; D011898:Ranidae; D013045:Species Specificity; D013233:Stellate Ganglion / Q000502:physiology; D013564:Sympathetic Nervous System / Q000502:physiology*; D014628:Vagotomy
chemical_list: D001285:Atropine; D000109:Acetylcholine
vernacular_title: Osobennosti adaptatsionnoĭ sposobnosti serdtsa liagushek, shchenkov i vzroslykh sobak pri dlitel'nom simpaticheskom vozdeĭstvii