Levels of amputation and limiting factors.
D000671:Amputation, Surgical; D000672:Amputation Stumps; D000792:Angiography; D001186:Artificial Limbs; D006801:Humans; D007866:Leg / Q000002:abnormalities / Q000098:blood supply / Q000601:surgery*; D007869:Leg Injuries / Q000601:surgery; D009369:Neoplasms / Q000601:surgery; D010991:Plethysmography; D014652:Vascular Diseases / Q000601:surgery