title: Detection of ball variance in prosthetic heart valves by liver biopsy.
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000601:surgery*; D001344:Autopsy; D001707:Biopsy, Needle; D002648:Child; D005260:Female; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008099:Liver / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D011474:Prosthesis Design