the results of technetium 99m-sulphur-colloid scans performed at the los angeles county-university of southern california medical center and rancho los amigos hospital to assess the vascular status of the femoral head after sixty-five displaced and thirty undisplaced fractures of the neck of the femur and forty-four traumatic hip dislocations as well as in fifty patients with idiopathic ischemic necrosis of seventy femoral heads were evaluated by histological and clinical examination after follow-up of two years or more .
C0220825
evaluated
C0031809
clinical examination