title: Fractures of the patella.
mesh_terms: D002114:Calcinosis / Q000209:etiology; D005593:Fracture Fixation, Internal; D050723:Fractures, Bone / Q000601:surgery*; D006801:Humans; D009336:Necrosis; D010329:Patella / Q000293:injuries* / Q000601:surgery; D011183:Postoperative Complications