AU - ROOSTH, H. P. TI - Flexion Deformity of the Hip and Knee in Spatic Cerebral Palsy: Treatment by Early Release of Spastic Hip-Flexor Muscles TECHNIQUE AND RESULTS IN THIRTY-SEVEN CASES PT - JOUR DP - 1971 TA - The Journal of Bone & Joint Surgery PG - 1489-1510 VI - 53 IP - 8 AID - [doi] 4100 - http://dx.doi.org/ SO - The Journal of Bone & Joint Surgery December 1, 1971 53(8):1489