title: Force-velocity-length relationship in heart muscle: lack of time-independence during twitch contractions of frog ventricle strips with caffeine.
mesh_terms: D000663:Amphibians / Q000502:physiology; D000818:Animals; D001001:Anura; D002110:Caffeine / Q000008:administration & dosage / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D006352:Heart Ventricles; D008322:Mammals / Q000502:physiology; D013268:Stimulation, Chemical; D013997:Time Factors
chemical_list: D002110:Caffeine