[EFFECT OF NICOTINIC ACID ON THE ISOLATED FROG HEART].
D000818:Animals; D001001:Anura; D055724:Electrophysiological Phenomena; D004594:Electrophysiology; D006321:Heart; D009525:Niacin; D009539:Nicotinic Acids; D010600:Pharmacology; D012106:Research
D009539:Nicotinic Acids; D009525:Niacin
ELECTROPHYSIOLOGY; EXPERIMENTAL LAB STUDY; FROGS; HEART; NICOTINIC ACID; PHARMACOLOGY
VLIV KYSELINY NIKOTINOV'E NA IZOLOVAN'E  ZAB'I SRDCE.