title: Inhibition of the negative chronotropic action of adenosine by caffeine in the dog.
mesh_terms: D000109:Acetylcholine / Q000008:administration & dosage / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000241:Adenosine / Q000008:administration & dosage / Q000037:antagonists & inhibitors*; D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology; D004285:Dogs; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D009638:Norepinephrine / Q000008:administration & dosage / Q000494:pharmacology; D010138:Pacemaker, Artificial; D012849:Sinoatrial Node / Q000187:drug effects*; D013997:Time Factors
chemical_list: D002110:Caffeine; D000241:Adenosine; D000109:Acetylcholine; D002118:Calcium; D009638:Norepinephrine