title: Prolonged biphasic strontium-mediated contractions of cat and frog heart muscle and their response to inotropic influences.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology; D002415:Cats; D004837:Epinephrine / Q000494:pharmacology; D006339:Heart Rate / Q000187:drug effects*; D007811:Lanthanum / Q000494:pharmacology; D008345:Manganese / Q000494:pharmacology; D009200:Myocardial Contraction / Q000187:drug effects*; D011893:Rana esculenta; D013045:Species Specificity; D013268:Stimulation, Chemical; D013324:Strontium / Q000494:pharmacology*; D013696:Temperature
chemical_list: D008345:Manganese; D007811:Lanthanum; D002118:Calcium; D004837:Epinephrine; D013324:Strontium