Hulth, A.: Necrosis of the head of the femur. Acta chir. scandinav., 122: 75, 1961.
2.
Hulth, A., and Johansson, S.H.: Structural changes of the femoral head in cases of non-union of the femoral neck. Arch. path. Anat., 340: 320, 1966.
3.
Hulth, A.: Intra-osseous venographies of medial fractures of the femoral neck. Acta chir. scandinav., Suppl.214, 1956.
4.
Sevitt, S.: Avascular necrosis and revascularisation of the femoral head after intracapsular fractures. J. Bone & Joint Surg., 46B: 270, 1964 .
5.
Hulth, A.: Femoral-head phlebography. A method of predicting viability. J. Bone & Joint Surg., 40A: 844, 1958.
6.
Hulth, A., and Johansson, S.H.: Venography in fractures of the femoral neck. Acta chir. scandinav. , 123: 287, 1962.
7.
Holmquist, B. , and Alffram, P.-A.: Prediction of avascular necrosis following cervical fracture of the femur based on clearance of radioactive iodine from the head of the femur. Acta orthop. scandinav., 36: 62, 1965.
8.
Johansson, S. : Prognostic assessment in fractures of the neck of the femur using 134I and venography. Acta chir. scandinav. , 123: 298, 1962.
9.
Johansson, S.H. : The prognostic value of the radioiodine test in femoral neck fractures. Acta Soc. med. upsal., 69: 64, 1964.
10.
Harrison, M.H.M. : A preliminary report of vascular assay in prognosis of the fractures of femoral neck. J. Bone & Joint Surg. , 44B: 858, 1962.
11.
Catto, M.: A histological study of avascular necrosis of the femoral head after trans-cervical fracture. J. Bone & Joint Surg., 47B: 749, 1965 .
12.
Hulth, A.: Prediction of the viability of the femoral head in femoral neck fractures. A survey of different predicting methods. Acta chir. scandinav. , 129: 72, 1965.
