title: Proceedings: Uptake and release of 3H-theophylline in isolated perfused guinea-pig hearts.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D006168:Guinea Pigs; D006207:Half-Life; D006321:Heart / Q000187:drug effects; D006352:Heart Ventricles / Q000378:metabolism; D066298:In Vitro Techniques; D009206:Myocardium / Q000378:metabolism*; D010477:Perfusion; D013268:Stimulation, Chemical; D013806:Theophylline / Q000378:metabolism*; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D013806:Theophylline