Treatment of experimental avascular necrosis of the femoral head with hyperbaric oxygen in rats: histological evaluation of the femoral heads during the early phase of the reparative process. - Levin,D.; Norman,D.; Zinman,C.; Rubinstein,L.; Sabo,E.; Misselevich,I.; Reis,D.; Boss,J.H. (Exp Mol Pathol, 1999)