Saepoo, S., D. Adstamongkonkul, P. Tosukhowong, C. Predanon, V. Shotelersu, and C. Boonla. “Comparison of urinary citrate between patients with nephrolithiasis and healthy controls”. Chulalongkorn Medical Journal, vol. 53, no. 1, Oct. 2023, https://he05.tci-thaijo.org/index.php/CMJ/article/view/941.