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Læknablaðið - 15.05.1999, Side 19

Læknablaðið - 15.05.1999, Side 19
LÆKNABLAÐIÐ 1999; 85 405 4. Dawson-Huges B, Harris SS, Krall EA, Dallal GE. Effect of calcium and vitamin supplementation on bone density in men and women 65 years of age or older. N Engl J Med 1997; 337: 670-6. 5. Malabanan A, Veronikis IE, Holick MF. Redefming vitamin D insufficiency. Lancet 1998: 351: 805-6. 6. Steingrímsdóttir L, Þorgeirsdóttir H, Ægisdóttir S. Könnun á mataræði íslendinga 1990. Rannsóknir Manneldisráðs íslands III. Reykjavík: Manneldisráð íslands 1991. 7. Steingrímsdóttir L, Þorgeirsdóttir H, Ægisdóttir S. Könnun á mataræði íslendinga. Mataræði og mannlíf. Rannsóknir Manneldisráðs íslands III. Reykjavík: Manneldisráð ís- lands 1992. 8. Sigurðsson G, Valdimarsson Ö, Kristinsson JÖ, Stefánsson S, Valdimarsson S, Knútsdóttir HB, et al. Hámarksbein- magn íslenskra kvenna. Læknablaðið 1998: 84: 96-105. 9. Overvad K, Tjönneland A, Haraldsdóttir J, Ewerts M, Jen- sen OM. Development of a semiquantitative food fre- quency questionnaire to assess food, energy and nutrient intake in Denmark. Int J Epidemiol 1991: 20: 900-5. 10. Tjönneland A, Overvad K, Haraldsdóttir J, Bang S, Ewerts M, Jenesn OM. Validation of a semiquantitative food fre- quency questionnaire developed in Denmark. Int J Epi- demiol 1991:20: 906-12. 11. Rannsóknarstofnun landbúnaðarins. Gagnagrunnur RALA um efnainnihald matvæla. Reykjavík. Reykjavík: Fæðu- deild RALA 1997. 12. Ooms ME, Lips P, Roos JC, van der Vijgh WJF, Popp- Snijders C, Bezemer PD, et al. Vitamin D status and sex hormone binding globulin: determinants of bone tumover and bone mineral density in elderly women. J Bone Miner Res 1995: 10: 1177-84. 13. van der Wielen RPJ, Löwik MRH, van der Berg H, de Groot LCPGM, Haller J, Moreiras O, et al. Semm vitamin D concentrations among elderly people in Europe. Lancet 1995:346: 207-10. 14. Webb AR, Pilbeam C, Hanafin N, Holick MF. An evalua- tion of the realtive contributions of exposure to sunlight and of diet to the circulating concentrations of 25-hydroxyvita- min D in an elderly nursing home population in Boston. Am JClinNutr 1990:51: 1075-81. 15. McKenna MJ. Differences in Vitamin D Status Between Countries in Young Adults and the Elderly. Am J Med 1992: 93: 69-77. 16. Juttmann JR, Visser TJ,Buurman C, de KAM E, Birken- háger JC. Seasonal fluctuations in semm concentrations of vitamin D metabolites in normal subjects. BMJ 1981: 282: 1349-52. 17. Salamone LM, Dallal GE, Zantos D, Makrauer F, Dawson- Huges B. Contributions of vitamin D intake and seasonal sunlight exposure to plasma 25-hydroxyvitamin D concen- tration in elderly women. Am J Clin Nutr 1994; 59: 80-6 18. Holick MF, Matsuoka LY, Wortsman J. Age, vitamin D, and solar ultraviolet radiation. Lancet 1989:11: 1104-5. 19. Need AG, Morris HA, Horowitz M, Nordin BEC. Effects of skin thickness, age, body fat, and sunlight on serum 25- hydroxyvitamin D. Am J Clin Nutr 1993: 58: 882-5. 20. Khaw KT, Sneyd M-J, Compston J. Bone density parathy- roid hormone and 25-hydroxyvitamin D concentrations in middle aged women. BMJ 1992: 305: 273-7. 21. McKenna MJ, Freaney R. Secondary Hyperparathyroidism in the Elderly: Means to Defining Hypovitaminosis D. Osteoporos Int 1998: Suppl. 8: S3-S6. 22. Kristinsson Ö, Valdimarsson Ö, Sigurðsson G, Franzson L, Ólafsson I, Steingrímsdóttir L. Semm 25-hydroxyvitamin D levels and bone mineral density in 16-20 years-old girls: lack of association. J Int Medl998: 243: 381-8. 23. Holick MF. Vitamin D Requirements for Humans of All Ages: New Increased Requirements for Women and Men 50 Years and Older. Osteoporos Int 1998: Suppl. 8: S24-S29. 24. Scharla SH. Prevalence of Subclinical Vitamin D Defi- ciency in Different European Countries. Osteoporos Int 1998: Suppl. 8: S7-S12. 25. Jacques PF, Felson DT, Tucker KL, Mahnken B, Wilson PWF, Rosenberg IH, et al. Plasma 25-hydroxyvitamin D and its determinants in an elderly population sample. Am J Clin Nutr 1997: 66: 929-36. 26. Lips P, van Ginkel FC, Jongen MJM, Rubertus F, van der Vijgh WJF, Netelenbos JC. Determinants of vitamin D status in patients with hip fracture and in elderly control subjects. Am J Clin Nutr 1987: 46: 1005-10. 27. Steingrímsdóttir L, DeLuca HF. Hvarfefni D-vítamíns í sermi aldraðra og áhrif D-vítamínskorts á tíðni brota í lærleggshálsi á íslandi. Læknablaðið 1988: 74: 73-5. 28. Lips P. Vitamin D deficiency and osteoporosis: the role of vitamin D deficiency and treatment with vitamin D and analogues in the prevention of osteoporosis-related frac- tures. Eur J Clin Invest 1996: 26: 436-42. 29. Johnell O, Gullberg B, Allander E, Kanis JA and the MEDOS Study Group. The apparent incidence of hip fracture in Europe: a study of national register sources. Osteoporos Int 1992: 2: 298-302.
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