PuntumetaKul R, Hiruntrakul P, Premchaisawat W, Puntumetakul M, Thavornpitak Y. The measurement of lumbar spinal curvature in normal Thai population aged 20-69 years using flexible ruler. Arch AHS [Internet]. 2012 Dec. 4 [cited 2024 May 16];24(3):308-17. Available from: https://he01.tci-thaijo.org/index.php/ams/article/view/66292