title: Effect of cadmium ion on the bullfrog heart.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002104:Cadmium / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D006325:Heart Atria / Q000187:drug effects; D066298:In Vitro Techniques; D009119:Muscle Contraction
chemical_list: D002104:Cadmium; D002118:Calcium