Insiripong, Somchai, Chawasak Kanokkantapong, and Tanarat Supattarobol. “The Serum Erythropoietin Level in Patients with Chronic Kidney Disease”. Maharat Nakhon Ratchasima Hospital Journal 36, no. 3 (September 5, 2024): 173–180. accessed June 14, 2025. https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1712.