title: Mechanics of isotonic left ventricular contractions.
mesh_terms: D000818:Animals; D001696:Biomechanical Phenomena; D002306:Cardiac Volume; D003203:Computers, Hybrid; D004285:Dogs; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D066298:In Vitro Techniques; D008954:Models, Biological; D009119:Muscle Contraction; D009638:Norepinephrine / Q000494:pharmacology
chemical_list: D009638:Norepinephrine