1. Estudo epidemiológico de fraturas de fêmur proximal em idosos;Vilas Boas Junior;Acta Ortop Bras,1996
2. Epidemiologic factors, morbidity and mortality after femoral neck fractures in the elderly;Rodriguez;A comparative study: internal fixation vs. hemiarthroplasty. Acta Orthop Belg,1987
3. Rising incidence of hip fracture in Uppsala, 1965 1980;Zain;Acta Orthop Scand,1984
4. Etude epidemiologique dês fractures transcervicales;Honton;Rev Chir Orthop Reparatrice Appar Mot,1986
5. Age and sex patterns of hip fracture-changes in 30 years;Johnell;Acta Orthop Scand,1984