1. Spontaneous osteonecrosis of the knee;Ahlback;Arthritis Rheum,1968
2. Spontaneous osteonecrosis of the medial tibial plateau;Houpt;J Rheumatol,1982
3. Osteonecrosis-like syndrome of the medial tibial plateau;Lotke;Clin Orthop,1983
4. Osteonecrosis of the medial tibial plateau;Ecker;J Bone Joint Surg [Am],1995
5. Osteonecrosis of the knee;Lotke;J Bone Joint Surg [Am],1988