title: Influence of some mechanical factors on inotropic level of left ventricular myocardium.
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D004558:Electric Stimulation; D010210:Papillary Muscles / Q000502:physiology; D051381:Rats; D013314:Stress, Mechanical; D016276:Ventricular Function