Insiripong, S., C. Kanokkantapong, and T. Supattarobol. “The Serum Erythropoietin Level in Patients with Chronic Kidney Disease”. Maharat Nakhon Ratchasima Hospital Journal, vol. 36, no. 3, Sept. 2024, pp. 173-80, https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1712.