title: [Negative chronotropic effect of calcium on the sinus node of rabbits].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D003864:Depression, Chemical; D005260:Female; D006339:Heart Rate / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D011817:Rabbits; D012849:Sinoatrial Node / Q000187:drug effects* / Q000502:physiology
chemical_list: D002118:Calcium