title: Report: 40 cases of closed intramedullary nailing of the femur.
mesh_terms: D000293:Adolescent; D000328:Adult; D005264:Femoral Fractures / Q000601:surgery*; D005269:Femur / Q000601:surgery*; D005594:Fracture Fixation, Intramedullary / Q000379:methods; D006801:Humans; D008722:Methods; D008875:Middle Aged