title: BIPHASIC EFFECT OF ACETYLCHOLINE UPON THE VERY EARLY CHICK EMBRYO HEART.
mesh_terms: D000109:Acetylcholine; D002642:Chick Embryo; D006321:Heart; D010600:Pharmacology; D010827:Physiology; D012106:Research
chemical_list: D000109:Acetylcholine
keywords: ACETYLCHOLINE; CHICK EMBRYO; EXPERIMENTAL LAB STUDY; HEART; PHARMACOLOGY; PHYSIOLOGY