title: CONTRACTIONS OF VENTRICULAR MUSCLE IN ABSENCE OF CERTAIN CATIONS.
mesh_terms: D001001:Anura; D002118:Calcium; D002412:Cations; D004492:Edetic Acid; D006321:Heart; D007477:Ions; D007552:Isotonic Solutions; D008094:Lithium; D008274:Magnesium; D009132:Muscles; D010600:Pharmacology; D010827:Physiology; D012104:Reptiles; D012106:Research; D012964:Sodium; D013324:Strontium; D013395:Sucrose; D013757:Tetraethylammonium Compounds
chemical_list: D002412:Cations; D007477:Ions; D007552:Isotonic Solutions; D013757:Tetraethylammonium Compounds; D013395:Sucrose; D008094:Lithium; D004492:Edetic Acid; D012964:Sodium; D008274:Magnesium; D002118:Calcium; D013324:Strontium
keywords: CALCIUM; EDTA; EXPERIMENTAL LAB STUDY; HEART; ISOTONIC SOLUTIONS; LITHIUM; MAGNESIUM; PHARMACOLOGY; PHYSIOLOGY; REPTILES; SODIUM; STRONTIUM; SUCROSE; TETRAETHYLAMMONIUM COMPOUNDS; TOADS