[The strength and rate of contraction of the myocardium of the cardiac ventricles].
D000818:Animals; D001794:Blood Pressure; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D008297:Male; D009119:Muscle Contraction; D051381:Rats; D016276:Ventricular Function
Sila i skorost' sokrashcheniia miokarda zheludochkov serdtsa.