Soontrapa S, Soontrapa S, Chailurkit L-O. The Prevalence and the Calcidiol Levels of Vitamin D Deficiency in the Elderly Thai Women in municipality of Khon Kaen Province, Thailand. SRIMEDJ [Internet]. 2013 Nov. 22 [cited 2024 May 3];17(4):231-8. Available from: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14422