[1]
Overgaard, S. et al. 1991. The uncemented bipolar hemiarthroplasty for displaced femoral neck fractures: 6-year follow-up of 171 cases. Acta Orthopaedica. 62, 2 (Jan. 1991), 115–120. DOI:https://doi.org/10.3109/17453679108999236.