title: [Effect of blockers of slow Na-Ca channels of frog myocardium on contractility and potassium contracture].
mesh_terms: D000818:Animals; D002104:Cadmium / Q000494:pharmacology; D002118:Calcium / Q000378:metabolism / Q000494:pharmacology; D004347:Drug Interactions; D005711:Gallopamil / Q000494:pharmacology; D006321:Heart / Q000187:drug effects*; D007473:Ion Channels / Q000187:drug effects*; D007811:Lanthanum / Q000494:pharmacology; D009200:Myocardial Contraction / Q000187:drug effects*; D009543:Nifedipine / Q000494:pharmacology; D011188:Potassium / Q000008:administration & dosage*; D011896:Rana temporaria; D012964:Sodium / Q000378:metabolism*
chemical_list: D007473:Ion Channels; D002104:Cadmium; D005711:Gallopamil; D007811:Lanthanum; D012964:Sodium; D009543:Nifedipine; D011188:Potassium; D002118:Calcium
vernacular_title: Vliianie blokatorov medlennykh Na--Ca-kanalov miokarda liagushki na ego sokrashcheniia i kalievuiu kontrakturu.