title: [Mechanism of the positive ionotropic action of theophylline on the mammalian heart. 2. Effect of theophylline on the uptake and release of  45 Ca].
mesh_terms: D000818:Animals; D001692:Biological Transport / Q000187:drug effects; D001696:Biomechanical Phenomena; D002118:Calcium / Q000032:analysis / Q000378:metabolism*; D002127:Calcium Isotopes; D002463:Cell Membrane Permeability / Q000187:drug effects; D004837:Epinephrine / Q000494:pharmacology; D005110:Extracellular Space / Q000187:drug effects; D005260:Female; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects; D006325:Heart Atria; D008297:Male; D009206:Myocardium / Q000032:analysis / Q000378:metabolism*; D011874:Radiometry; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D002127:Calcium Isotopes; D013806:Theophylline; D002118:Calcium; D004837:Epinephrine
vernacular_title: Uberden Mechanismus der positiv inotropen Wirkung von Theophyllin am Warmblüterherzen. II. Wirkung von Theophyllin auf Aufnahme und Abgabe von  45 Ca.