Høgh, Jørgen, et al. “Dislocated Femoral Neck Fractures: A Follow-up Study of 98 Cases Treated by Multiple AO (ASIF) Cancellous Bone Screws”. Acta Orthopaedica, vol. 53, no. 2, Jan. 1982, pp. 245-9, doi:10.3109/17453678208992210.