Læknablaðið - 15.02.1998, Qupperneq 17

LÆKNABLAÐIÐ 1998; 84
105
5. Matkovic V, Jelic T, Wardlaw GM, Ilich JZ, Goel PK,
Wright JK, et al. Timing of peak bone mass in caucasian
females and its implication for the prevention of osteo-
porosis. J Clin Invest 1994; 93: 799-808.
6. Teegarden D, Proulx WR, Martin BR, Zhao J, McCabe
GP, Lyle RM, et al. Peak bone mass in young women. J
Bone Mineral Res 1995; 10: 711-5.
7. Overvad K, Tj0nneland A, Haraldsdóttir J, Ewerts M,
Jensen 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.
8. Tj0nneland A, Overvad K, Haraldsdóttir J, Bang S, Ewerts
M, Jensen OM. Validation of a semiquantitative food fre-
quency questionnaire developed in Denmark. Int J
Epidemiol 1991; 20: 906-12.
9. Rannsóknarstofnun landbúnaðarins. Gagnagrunnur RALA
um efnainnihald matvæla. Reykjavík: Fæðudeild RALA,
1997.
10. Slemenda CW, Reister TK, Miller JZ, Christian JC,
Johnston CC. Influences on skeletal mineralization in chil-
dren and adolescents: evidence for varying effects of sex-
ual maturation and physical activity. J Pediatr 1994; 125:
201-7.
11. Parfitt AM, Gallagher JC, Heaney RP, Johnston CC, Neer
R, Whedon GD. Vitamin D and bone health in the elderly.
Am J Clin Nutr 1982; 36: 1014-31.
12. Sigurðsson G, Óskarsdóttir D. Mismikil beinþynning í
lendhrygg og lærleggshálsi. Læknablaðið 1996; 82: 621-6.
13. Sigurðsson G, Magnúsdóttir DN, Kristinsson JÖ,
Kristjánsson K, Ólafsson I. Association of Bsml vita-
min-D receptor gene polymorphism with combined bone
mass in spine and proximal femur in Icelandic women. J
Int Med 1997; 241: 501-5.
14. Tabensky AD, Williams J, Deluca V, Briganti E, Seeman
E. Bone mass, areal and volumetric bone density are
equally accurate, sensitive, and speciFic surrogates of the
breaking strength of the vertebral body: an in vitro study.
J Bone Mineral Res 1996; 11: 1981-8.
15. Gebski V, Leung O, McNeil D, Lunn D. SPIDA User's
Manual. Version 6, Statistical Computing Lab Macquarie
Univ. NSW Australia, 1992.
16. National Research Council. Subcommittee on Dietary
Allowances. Recommended Dietary Allowances. lOth ed.
Washington DC: National Academy Press, 1989.
17. Sigurðardóttir KR, Sigurðsson G, Jósafatsson JL.
Beinþéttnimælingar í framhandlegg fslenskra kvenna.
Læknablaðið 1994; 80: 91-8.
18. Recker RR, Davies KM, Hinders SM, Heaney RP,
Stegman MR, Kimmel DB. Bone gain in young adults
women. JAMA 1992; 268: 2403-8.
19. Löfman O, Larsson L, Ross I, Toss G, Berglund K. Bone
mineral density in normal Swedish women. Bone 1997;
20: 167-74.
20. Welten DC, Kemper HCG, Post GB, Van Mechelen W,
Twisk J, Lips P, et al. Weight-bearing activity during youth
is a more important factor for peak bone mass than calci-
um intake. J Bone Mineral Res 1994; 9: 1089-96.
21. Faulkner RA, Bailey DA, Drinkwater DT, McKay HA,
Arnold C, Wilkinson AA. Bone densitometry in Canadian
children 8-17 years of age. Calcif Tissue Int 1996; 59:
344-51.
22. Young D, Hopper JL, Nowson CA, Green RM, Sherwin
AJ, Kaymakci B, et al. Determinants of bone mass in
10-26 years old females: a twin study. J Bone Mineral Res
1995;10:558-67.
23. Looker AC, Wahner HW, Dunn WL, Calvo MS, Harris
TB, Heyse SP, et al. Proximal femur bone mineral levels
of US adults. Osteoporosis Int 1995; 5: 389-409.
24. Kanders B, Dempster DW, Lindsay R. Interaction of cal-
cium nutrition and physical activity on bone mass in
young women. J Bone Mineral Res 1988; 3: 145-9.
25. Matkovic V, Heaney RP. Calcium balance during human
growth: evidence for threshold behavior. Am J Clin Nutr
1992; 55: 992-6.
26. Kristinsson JÖ, Valdimarsson Ö, Steingrímsdóttir L,
Sigurðsson G. Relation between calcium intake, grip
strength and bone mineral density in the forearms of girls
aged 13-15. J Intern Med 1994; 236: 385-90.
27. Steingrímsdóttir L, Þorgeirsdóttir H, Ægisdóttir S. Hvað
borðar íslensk æska, könnun á mataræði ungs skólafólks
1992-1993. Rannsóknir Manneldisráðs íslands IV.
Reykjavfk: Manneldisráð Islands, 1993.
28. Walters MR. Newly identified action of the vitamin D
endocrine system. Endocr Rev 1992; 13: 719-64.
29. Villareal DT, Civitelli R, Chines A, Avioli LV. Subclinical
vitamin D deficiency in postmenopausal women with low
vertebral bone mass. J Clin Endocrinol Metab 1991; 72:
628-34.
30. Chapuy MC, Arlott ME, Duboeuf F, Brun J, Crouzet B,
Arnaud S, et al. Vitamin D3 and calcium prevent hip
fractures in elderly women. N Engl J Med 1992; 327:
1637-42.
31. 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.
32. Sigurðsson G, Nunziata V, Reiner M, Nadarajah A, Joplin
GF. Calcium absorption and excretion in the gut in
acromegaly. Clin Endorcrinol 1973; 2: 187-92.
33. van der Wielen RP, Löwjk MR, van den Berg H, de Groot
LC, Haller J, Moreiras O, et al. Serum vitamin D concen-
trations among elderly people in Europe. Lancet 1995;
346:207-10.
34. Lund B, Sörensen OH. Measurement of 25-hydroxyvita-
min D in serum and its relation to sunshine, age and vita-
min D intake in the Danish population. Scand J Clin Lab
Invest 1979; 39: 23-30.
35. Tjellesen L, Christiansen C. Vitamin D metabolites in nor-
mal subjects during one year. A longitudinal study. Scand
J Clin Lab Invest 1983; 43: 85-9.
36. Aksnes L, Aarskog D. Plasma concentrations of vitamin D
metabolites in puberty: effect of sexual maturation and
implications for growth. J Clin Endocrinol Metab 1982;
55: 94-101.
37. Abelow BJ, Holford TR, Insogna KL. Crosssectional asso-
ciations between dietary animal protein and hip fracture. A
hypothesis. Calcif Tissue Int 1992; 50: 14-8.
38. Parson TJ, Prentice A, Smith EA, Cole TJ, Compston JE.
Bone mineral mass consolidation in young British adults.
J Bone Mineral Res 1996; 11: 264-74.
39. Faulkner RA, Bailey DA, Drinkwater DT, Wilkinson AA,
Houston CS, McKay HA. Regional and total body bone
mineral content, bone mineral density, and total body tis-
sue composition in children 8-16 years of age. Calcif
Tissue Int 1993; 53: 7-12.
40. Pocock NA, Eisman JA, Gopper JL, Yeates MG,
Sambrook PN, Eberl S. Genetic determinants of bone
mass in adults: a twin study. J Clin Invest 1987: 80:
706-10.
41. Ito M, Yamada M, Hayashi K, Ohki M, Uetani M,
Nakamura T. Relation of early menarche to high bone
mineral density. Calcif Tissue Int 1995; 57: 11-4.
42. Válimáki MJ, Kárkkáinen M, Lamberg-Allards C,
Laitinen K, Alhava E, Heikkinen J, et al. Exercise, smok-
ing, and calcium intake during adolescence and early
adulthood as determinants of peak bone mass. BMJ 1994;
309: 230-5.