1. Roentgen examination of the proximal femur end in children and adolescents; a standardized technique also suitable for determination of the collum-, anteversion-, and epiphyseal angles; a study of slipped epiphysis and coxa plana.;Billing;Acta Radiol Suppl,1954
2. Femoral anteversion.;Murphy;J Bone Joint Surg Am,1987
3. Determination of the antetorsion of the femur neck by means of two x-ray pictures in German.;Rippstein;Z Orthop Ihre Grenzgeb,1955
4. A method for determining the angle of torsion of the neck of the femur.;Rogers;J Bone Joint Surg,1931
5. Observations on torsion of the femur.;Rogers;J Bone Joint Surg,1934