1. A Treatise on Dislocations and Fractures of the Joints;Cooper,1849
2. The Concise Oxford English Dictionary,1911
3. Untersuchungen uber Osteomalacie und Rachitis;Pommer,1885
4. Consensus Development Conference, Diagnosis prophylaxis and treatment of osteoporosis;Am J Med,1993
5. Assessment of fracture risk and its application to screening for postmenopausal osteoporosis;World Health Organization;WHO Technical Report Series 843,1994