Yang, Z K Regional differences in the negative inotropic effect of acetylcholine within the canine ventricle. [electronic resource] - The Journal of physiology May 1996 - 789-806 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-3751 Standard No.: 10.1113/jphysiol.1996.sp021346 doi Subjects--Topical Terms: 4-Aminopyridine--pharmacologyAcetylcholine--pharmacologyAction Potentials--drug effectsAnimalsAtropine--pharmacologyBarium--metabolismCalcium--metabolismDogsFemaleHeart Ventricles--drug effectsIn Vitro TechniquesMaleMyocardial Contraction--drug effectsPatch-Clamp TechniquesPotassium--metabolism