Saepoo, Sarawut, Dusit Adstamongkonkul, Piyaratana Tosukhowong, Chagkrapan Predanon, Vorasuk Shotelersu, and Chanchai Boonla. “Comparison of urinary citrate between patients with nephrolithiasis and healthy controls”. Chulalongkorn Medical Journal 53, no. 1 (October 2, 2023). accessed September 12, 2026. https://he05.tci-thaijo.org/index.php/CMJ/article/view/941.