1. Anon (2002) America’s bone health: the state of osteoporosis and low bone mass in our nation. National Osteoporosis Foundation, Washington (DC)
2. Anon (2004) Bone health and osteoporosis: a report of the surgeon general. Rockville (MD): US Department of Health and Human Services, Office of the Surgeon General. Available at http://www.surgeongeneral.gov/library/bonehealth/ [last accessed 7 June 2007]
3. RIVM osteoporosis fact sheath, available at http://www.rivm.nl/vtv/object_document/o1793n18373.html [last accessed at 7 June 2007]
4. Hofman A, Boerlage PA, Bots ML et al (1995) Prevalence of chronic diseases in the elderly; the ERGO study (Erasmus Rotterdam Health and the Elderly). Ned Tijdschr Geneeskd 139(39):1975–1978
5. Geusens PP, Lems WF, Verhaar HJ et al (2006) Review and evaluation of the Dutch guidelines for osteoporosis. J Eval Clin Pract 12(5):539–548