Direct mechanical ventricular assistance. Acute and long-term effects in the dog.
D000818:Animals; D001243:Assisted Circulation / Q000009:adverse effects*; D004285:Dogs; D006331:Heart Diseases / Q000209:etiology* / Q000473:pathology; D006352:Heart Ventricles / Q000473:pathology; D009206:Myocardium / Q000473:pathology*; D009336:Necrosis; D013997:Time Factors