Effect of ultrasound on the canine mitral valve.
D000818:Animals; D004285:Dogs; D006333:Heart Failure / Q000209:etiology; D006349:Heart Valve Diseases / Q000209:etiology* / Q000473:pathology; D008943:Mitral Valve / Q000473:pathology*; D012214:Rheumatic Heart Disease / Q000209:etiology; D014465:Ultrasonics / Q000009:adverse effects*