New radiographic standards for age at appearance of the ossification center of the femoral head in Japanese: Appearance at ≤12 months of age is normal in Japanese infants.

[1]  K. Takeshita,et al.  Radiological results of treatment using an extensive anterolateral approach for developmental dysplasia of the hip: minimum 5-year follow-up , 2016, Journal of pediatric orthopedics. Part B.

[2]  H. Endo,et al.  Radiographic prediction of the results of long-term treatment with the Pavlik harness for developmental dislocation of the hip. , 2009, Acta medica Okayama.

[3]  K. Katz,et al.  Ossification of Femoral Head: Normal Sonographic Standards , 2002, Journal of pediatric orthopedics.

[4]  H. Akazawa,et al.  Open reduction for congenital dislocation of the hip: comparison of the long-term results of the wide exposure method and Ludloff's method , 1999, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

[5]  C. Jacobs,et al.  The contribution of the ossific nucleus to the structural stiffness of the capital femoral epiphysis: a porcine model for DDH. , 1999, Journal of pediatric orthopedics.

[6]  P. Scoles,et al.  Roentgenographic parameters of the normal infant hip. , 1987, Journal of pediatric orthopedics.

[7]  P. Bertol,et al.  Radiographic features of neonatal congenital dislocation of the hip. , 1982, The Journal of bone and joint surgery. British volume.

[8]  H. Pettersson,et al.  Ossification of Femoral Head in Infancy , 1979, Acta radiologica: diagnosis.

[9]  S. Garn,et al.  Radiographic standards for postnatal ossification and tooth calcification. , 1967, Medical radiography and photography.