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References

  • 1
    Webb AR, Pilbeam C, Hanafin N, Holick MF. An evaluation of the relative contributions of exposure to sunlight and of diet to the circulating concentrations of 25- hydroxyvitamin D in an elderly nursing home population in Boston. Am J Clin Nutr 1990; 51: 1075 81.
  • 2
    Webb AR, Kline L, Holick MF. Influence of season and latitude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin. J Clin Endocrinol Metab 1988; 67: 373 78.
  • 3
    Beadle FC. Cholecalciferol production. In: NormanAW, eds. Vitamin D Biochemical, Chemical and Clinical Aspects Related to Calcium Metabolism. Berlin: de Gruyter, 1977; 549 51.
  • 4
    Lo CW, Paris PW, Holick MF. Indian and Pakistani immigrants have the same capacity as Caucasians to produce vitamin D in response to ultraviolet irradiation. Am J Clin Nutr 1986; 44: 683 85.
  • 5
    Holick MF. Photobiology of vitamin D. In: FeldmanD, GlorieuxFH, PikeJW, eds. Vitamin D, 1st edn. San Diego, CA: Academic Press, 1997; 33 39.
  • 6
    Holick MF & Vitamin D. Photobiology, metabolism, mechanism of action, and clinical applications. In: FavusMD, eds. Primer on Metabolic Bone Diseases and Disorders of Mineral Metabolism, 3rd edn. Philidelphia: Lippincott-Raven, 1996; 74 81.
  • 7
    Matsuoka LY, Wortsman J, Dannenberg MJ, Hollis BW, Lu Z, Holick MF. Clothing prevents ultraviolet-B radiation-dependent photosynthesis of vitamin D3. J Clin Endocrinol Metab 1992; 75: 1099 103.
  • 8
    Holick MF. McCollum Award Lecture, 1994: vitamin D – new horizons for the 21st century. Am J Clin Nutr 1994; 60: 619 30.
  • 9
    Matsuoka LY, Ide L, Wortsman J, MacLaughlin JA, Holick MF. Sunscreens suppress cutaneous vitamin D3 synthesis. J Clin Endocrinol Metab 1987; 64: 1165 68.
  • 10
    Fine RM. Sunscreens and cutaneous vitamin D synthesis. Int J Dermatol 1988; 27: 300 301.
  • 11
    Smith R. Asian rickets and osteomalacia. Q J Med 1990; 76: 899 901.
  • 12
    Henderson JB, Dunnigan MG, McIntosh WB, Abdul Motaal A, Hole D. Asian osteomalacia is determined by dietary factors when exposure to ultraviolet radiation is restricted: a risk factor model. Q J Med 1990; 76: 923 33.
  • 13
    Solanki T, Hyatt RH, Kemm JR, Hughes EA, Cowan RA. Are elderly Asians in Britain at a high risk of vitamin D deficiency and osteomalacia? Age Ageing 1995; 24: 103 107.
  • 14
    Finch PJ, Ang L, Colston KW, Nisbet J, Maxwell JD. Blunted seasonal variation in serum 25-hydroxy vitamin D and increased risk of osteomalacia in vegetarian London Asians. Eur J Clin Nutr 1992; 46: 509 15.
  • 15
    Finch PJ, Ang L, Eastwood JB, Maxwell JD. Clinical and histological spectrum of osteomalacia among Asians in south London. Q J Med 1992; 83: 439 48.
  • 16
    Henderson JB, Dunnigan MG, McIntosh WB, Abdul Motaal AA, Gettinby G, Glekin BM. The importance of limited exposure to ultraviolet radiation and dietary factors in the aetiology of Asian rickets: a risk-factor model. Q J Med 1987; 63: 413 25.
  • 17
    Peach H, Compston JE, Vedi S. Value of the history in diagnosis of histological osteomalacia among Asians presenting to the NHS. Lancet 1983; 2: 1347 49.
  • 18
    Dandona P, Mohiuddin J, Weerakoon JW, Freedman DB, Fonseca V, Healey T. Persistence of parathyroid hypersecretion after vitamin D treatment in Asian vegetarians. J Clin Endocrinol Metab 1984; 59: 535 37.
  • 19
    Stephens WP, Klimiuk PS, Berry JL, Mawer EB. Annual high-dose vitamin D prophylaxis in Asian immigrants. Lancet 1981; 2: 1199 201.
  • 20
    Stephens WP, Klimiuk PS, Warrington S, Taylor JL, Berry JL, Mawer EB. Observations on the natural history of vitamin D deficiency amongst Asian immigrants. Q J Med 1982; 202: 171 88.
  • 21
    Nisbet JA, Eastwood JB, Colston KW et al. Detection of osteomalacia in British Asians: a comparison of clinical score with biochemical measurements. Clin Sci Colch 1990; 78: 383 89.
  • 22
    Meulmeester JF, Van Den Berg H, Wedel M, Boshuis PG, Hulshof KF, Luyken R. Vitamin D status, parathyroid hormone and sunlight in Turkish, Moroccan and Caucasian children in The Netherlands. Eur J Clin Nutr 1990; 44: 461 70.
  • 23
    Brunvand L & Haug E. Vitamin D deficiency amongst Pakistani women in Oslo. Acta Obstet Gynecol Scand 1993; 72: 264 68.
  • 24
    Henriksen C, Brunvand L, Stoltenberg C, Trygg K, Haug E, Pedersen JI. Diet and vitamin D status among pregnant Pakistani women in Oslo. Eur J Clin Nutr 1995; 49: 211 18.
  • 25
    Jensen JE. Severe vitamin D deficiency in an immigrant family. Ugeskr Laeger 1995; 157: 595 96.
  • 26
    Standing Committe on the Scientific Evaluation of Dietary Reference Intakes. Dietary Reference Intake for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. Washington, DC: National Academy Press, 1997.
  • 27
    Utiger RD. The need for more vitamin D. N Engl J Med 1998; 338: 828 29.
  • 28
    Thomas MK, Lloyd-Jones DM, Thadhani RI et al. Hypovitaminosis D in medical inpatients. N Engl J Med 1998; 338: 777 83.
  • 29
    Malabanan A, Veronikis IE, Holick MF. Redefining vitamin D insufficiency. Lancet 1998; 351: 805 806.
  • 30
    Holick MF, Matsuoka LY, Wortsman J. Age, vitamin D, and solar ultraviolet. Lancet 1989; 2: 1104 105.
  • 31
    MacLaughlin J & Holick MF. Aging decreases the capacity of human skin to produce vitamin D3. J Clin Invest 1985; 76: 1536 38.
  • 32
    Hollis BW, Kamerud JQ, Selvaag SR, Lorenz JD, Napoli JL. Determination of vitamin D status by radioimmunoassay with an 125I-labeled tracer. Clin Chem 1993; 39: 529 33.
  • 33
    Hollis BW. Assay of circulating 1,25-dihydroxyvitamin D involving a novel single-cartridge extraction and purification procedure. Clin Chem 1986; 32: 2060 63.
  • 34
    Brixen K, Nielsen HK, Eriksen EF. Efficacy of wheat germ lectin preticipated alkaline phosphatase in serum as an estimate of bone mineralization rate: comparison to serum alkaline phosphatase and serum bone gla protein. Calcif Tissue Int 1989; 44: 93 98.
  • 35
    Withold W, Schallenberg A, Reinauer H. Performance characteristics of different immunoassays for determination of parathyrin (1-84) in human plasma samples. Eur J Clin Chem Clin Biochem 1995; 33: 307 13.
  • 36
    El-Sonbaty MR & Abdul Ghaffar NU. Vitamin D deficiency in veiled Kuwaiti women. Eur J Clin Nutr 1996; 50: 315 18.
  • 37
    Sedrani SH. Low 25-hydroxyvitamin D and normal serum calcium concentrations in Saudi Arabia: Riyadh region. Ann Nutr Metab 1984; 28: 181 85.
  • 38
    Woodhouse NJY & Norton WL. Low vitamin D levels in Saudi Arabians. King Faisal Spec Hosp Med J 1982; 2: 127 31.
  • 39
    Fonseca V, Tongia R, El Hazmi M, Abu Aisha H. Exposure to sunlight and vitamin D deficiency in Saudi Arabian women. Postgrad Med J 1984; 60: 589 91.
  • 40
    Al Arabi KM, Elidrissy AW, Sedrani SH. Is avoidance of sunlight a cause of fractures of the femoral neck in elderly Saudis? Trop Geogr Med 1984; 36: 273 79.
  • 41
    Sedrani SH, Elidrissy AWTH, El Arabi KM. Sunlight and vitamin D status in normal Saudi Subjects. Am J Clin Nutr 1983; 38: 129 32.
  • 42
    Goldberg GR, Black AE, Jebb SA et al. Critical evaluation of energy intake data using fundamental principles of energy physiology: 1. Derivation of cut-off limits to identify under-recording. Eur J Clin Nutr 1991; 45: 569 81.
  • 43
    Hirvonen T, Männistö S, Roos E, Pietinen P. Increasing prevalence of underreporting does not necessarily distort dietary surveys. Eur J Clin Nutr 1997; 51: 297 301.