1. Hip fracture mortality: relation to age, treatment, preoperative illness, time of surgery, and complications.;Kenzora;Clin Orthop Relat Res,1984
2. Thompson hemiarthroplasty is superior to Ullevaal screws in treating displaced femoral neck fractures in patients over 75 years: a prospective randomized study with two-year follow-up.;Puolakka;Ann Chir Gynaecol,2001
3. Cannulated screws versus hemiarthroplasty for displaced intracapsular femoral neck fractures in demented patients.;Dortmont;Ann Chir Gynaecol,2000