Patellectomy: a 21-year follow-up.
D000328:Adult; D000368:Aged; D001861:Bone Regeneration; D004185:Disability Evaluation; D006801:Humans; D007719:Knee Joint / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010329:Patella / Q000002:abnormalities / Q000293:injuries / Q000601:surgery*; D011183:Postoperative Complications