Thienthanawint S, Kungwantrakul W, Trakulthong J, Proungvitaya S, Promdee L. Inadequacy of vitamin D and its association with bone markers in orthopedic patients, Siriraj Hospital. Arch AHS [internet]. 2014 Aug. 25 [cited 2026 Aug. 26];26(2):205-7. available from: https://he01.tci-thaijo.org/index.php/ams/article/view/66341