参考:
Vanasse, Alain; Dagenais, Pierre; Niyonsenga, Théophile; Grégoire, Jean-Pierre; Courteau, Josiane; Hemiari, Abbas (2005). "Bone mineral density measurement and osteoporosis treatment after a fragility fracture in older adults: regional variation and determinants of use in Quebec". BMC Musculoskeletal Disorders. 6 (1). doi:10.1186/1471-2474-6-33. ISSN 1471-2474.
Maheswari. Essential Orthopedics (3 ed.). Jaypee Publications. p. 4. |access-date= requires |url= (help)