title: Extracellular calcium concentration and calcium blocking agents on the action of ouabain on isolated rat atrium.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002121:Calcium Channel Blockers / Q000494:pharmacology*; D004110:Diltiazem / Q000494:pharmacology; D004558:Electric Stimulation; D005711:Gallopamil / Q000494:pharmacology; D006321:Heart / Q000502:physiology; D066298:In Vitro Techniques; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D009206:Myocardium / Q000378:metabolism*; D010042:Ouabain / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D014700:Verapamil / Q000494:pharmacology
chemical_list: D002121:Calcium Channel Blockers; D005711:Gallopamil; D010042:Ouabain; D014700:Verapamil; D004110:Diltiazem; D002118:Calcium