Life and limb.
D000671:Amputation, Surgical / Q000453:epidemiology / Q000534:rehabilitation; D000674:Amputees; D005734:Gangrene / Q000601:surgery; D006801:Humans; D007719:Knee Joint / Q000601:surgery; D011182:Postoperative Care; D019736:Prostheses and Implants; D014481:United States; D014493:United States Department of Veterans Affairs