TY - JOUR IS - 249 JA - Clin Orthop Relat Res JO - Clinical Orthopaedics and Related Research PY - 1989 SN - 0009-921X AU - Aaron RK AU - Lennox D AU - Bunce GE AU - Ebert T LA - en N1 - FEMU ID: 28930; EMF-Portal URL: https://www.emf-portal.org/en/article/28930 SP - 209-218 TI - The conservative treatment of osteonecrosis of the femoral head. A comparison of core decompression and pulsing electromagnetic fields ER -