title: THE FORMATION OF ACETYLCHOLINE IN ISOLATED HEART AURICLES OF WHITE RATS AND GUINEA-PIGS.
mesh_terms: D000109:Acetylcholine; D000818:Animals; D020517:Atrial Appendage; D002802:Cholinesterases; D006168:Guinea Pigs; D006329:Heart Conduction System; D006651:Histocytochemistry; D009206:Myocardium; D051381:Rats; D012106:Research
chemical_list: D002802:Cholinesterases; D000109:Acetylcholine
keywords: ACETYLCHOLINE; CHOLINESTERASE; EXPERIMENTAL LAB STUDY; GUINEA PIGS; HEART CONDUCTION SYSTEM; HISTOCYTOCHEMISTRY; MYOCARDIUM; RATS