title: Influence of caffeine on force development and force-frequency relations in cat and rat heart muscle.
mesh_terms: D000818:Animals; D002110:Caffeine / Q000008:administration & dosage / Q000494:pharmacology*; D002415:Cats; D003864:Depression, Chemical; D004558:Electric Stimulation; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D010210:Papillary Muscles / Q000187:drug effects; D051381:Rats; D013997:Time Factors
chemical_list: D002110:Caffeine