Forester, G V Enhancement of contractility in rat isolated papillary muscle with therapeutic ultrasound. [electronic resource] - Journal of molecular and cellular cardiology Aug 1982 - 475-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-2828 Standard No.: 10.1016/0022-2828(82)90154-7 doi Subjects--Topical Terms: AnimalsCalcium--metabolismIn Vitro TechniquesMyocardial ContractionPapillary Muscles--physiologyRatsTemperatureUltrasonics