1. Hamada, H., Yoshioka, Y., Shimomura, Y., Hiroshima, K., Ichioka, S., Takase, T.: The psoas transfer in the treatment of congenital dislocation of the hip joint (in Japanese). Clin. Orthop. Surg. 8, 139 (1973)
2. Hiroshima, K.: Treatment of dislocation of the hip joint in cerebral palsy. Specialized group symposium ?Pediatric Orthopedics?. SICOT (Kyoto, Japan), 1978
3. Kajiura, I.: A new principal in the surgical treatment for dislocation of the hip in cerebral palsy (in Japanese). Centr. Jap. J. Orthop. Traumat. Surg. 13, 416 (1970)
4. Kitawaki, T.: Iliopsoas muscle, the etiological consideration and the results of transfer of this muscle in the congenital dislocation of the hip (in Japanese). Centr. Jap. J. Orthop. Traumat. Surg. 13, 406 (1970)
5. Langenskiöld, F.: On the transposition of the iliopsoas muscle in operative reduction of congenital hip dislocation. Acta Orthop. Scand. 22, 295 (1953)