เสนาะดนตรี น. (2018). The Prevalence of Vitamin D Insufficiency and Deficiency with Stages of Chronic Kidney Disease in Phra Nakhon Si Ayutthaya Population. Journal of Preventive Medicine Association of Thailand, 7(2), 127–134. retrieved from https://he01.tci-thaijo.org/index.php/JPMAT/article/view/128564