The Needs：Year 2000-2010 has been designated by WHO as Bone and Joint Decade(BJD)and osteoporosis is one of five major musculoskdetal disorders that affects millions of early people.Both prevention and treatment of osteoporosis is essential as 30—50% of women,and 15-30% of men suffers a fracture related to osteoporosis in their lifetime；spine and hip fractures increase morbidity，mortality and imposes a finnncial burden on the community and quality of life of both patients and their families.
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