1. Plasma thromboplastin component (P.T.C.) deficiency: a new disease resembling hemophilia;Aggeler,1952
2. The natural history of hemophilic pseudotumor;Ahlberg;Journal of Bone and Joint Surgery,1975
3. A clinical and radiologic evaluation of the haemophilic joint;Ahlberg,1981
4. Orthopaedic outcome study;Aledort,1990
5. Hemophilic arthropathy. Current concepts of pathogenesis and management;Arnold;Journal of Bone and Joint Surgery,1977