Level selection in lower extremity amputations.
D000368:Aged; D000671:Amputation, Surgical; D000792:Angiography; D000842:Ankle / Q000601:surgery; D001186:Artificial Limbs; D005260:Female; D006801:Humans; D007511:Ischemia / Q000601:surgery*; D007719:Knee Joint; D007866:Leg / Q000601:surgery*; D008297:Male; D011182:Postoperative Care; D013848:Thigh / Q000601:surgery; D013997:Time Factors; D014945:Wound Healing