References
- Arnoldi C. C. The heredity of venous insufficiency. Dan. med. Bull. 1958; 5: 168–178
- Borschberg E. The prevalence of varicose veins in the lower extremities. S. Karger, BaselSwitzerland 1967
- Brailsfort J. F. Osteoarthritis of the hip joint. Brit. J. Radiol. 1952; 25: 76–84
- Collins D. H. The pathology of articular and spinal disease. 1949; 1–331, Edward Arnold and Co, London.
- Danielsson L. G. Incidence and prognosis of coxarthrosis. Acta orthop. scand. 1964; 66(Suppl.)1–114
- Danielsson L. G. Incidence of osteoarthritis of the hip. Clin. Orthop. 1966; 45: 67–72
- Gofton J. P. Studies in osteoarthritis of the hip. Canad. med. Ass. J. 1971; 104: 679–683
- Hermodsson I. Roentgen appearance of coxarthrosis. Acta orthop. scand. 1970; 41: 169–187
- Kellgren J. H. The epidemiology of chronic rheumatism. A symposium organized by the council for international organizations of medical sciences, UNESCO & WHO, Rome 28/8–1/9. 1963, 1961
- Kellgren J. H., Lawrence J. S. Osteoarthritis as seen in random samples of the population. J. Bone Jt Surg. 1961; 43-B: 601
- Köhler A. Grenzen des normalen und anfänge des pathologischen in röntgenbilde. G. Thieme, Stuttgart 1956; 1–466
- Lawrence J. S., Bremmer J. M., Bier F. Osteoarthrosis. Prevalence in the population and relationship between symptoms and x-ray changes. Ann. rheum. Dis. 1966; 25: 1–24
- Merleďaubigné R., Chabrol J. Les arthrodéses de la hanche par enclouage. Rev. Chir. 1952; 90: 293–326
- Murray R. O., Duncan C. Athletic activity in adolescence as an etiological factor in degenerative hip disease. J. Bone Jt Surg. 1971; 53-B: 406–419
- Noordhoek J. A. Sociale klassifikationer. Studie nr. 17., Socialforskningsin- stituttet, Copenhagen 1969; 1–66
- Pearson J. R., Ridell D. M. Idiopathic osteoarthritis of the hip. Ann. rheum. Dis. 1962; 21: 31–39
- Puranen J., Ala-Ketola L., Peltokallio P., Saarela J. Running and primary osteoarthritis of the hip. Brit. med. J. 1975; 424, -425.
- Saville P. D., Dickson J. Age and weight in osteoarthritis of the hip. Arthr. and Rheum. 1968; 11: 635–644
- Schmorl G., Junghans H. Diegesunde und kranke wirbelsäule im räntenbild und klinik. G. Thieme, Leipzig 1932; 1–253
- Shephard M. M. Assessment of function after arthroplasty of the hip joint. J. Bone Jt Surg. 1954; 36-B: 354–363
- Sneppen O. Malleolar pseudarthrosis. Munksgaard, Copenhagen 1972; 1–225
- Svalastoga K., Wolf P. Social rang og mobilitet. Gyldendal, Copenhagen 1965; 1–211
- Werner I., Berfenstam R. Om nutritionstilståndet och någre därmed sammenhängande faktorer hos personer över 67 år. Socialmed. T. 1960; 37: 334–337