Oranratanaphan, Shina, Surang Triratanachat, Sukanya Chaikittisilpa, Patou Tantbirojn, Noppadol Chaiyasit, Unnop Jaisamrarn, and Dhiraphongs Charoenvidhya. “Effect of calcium supplementation on maternal hypertensive disorders and neonatal outcomes among pregnant Thai women: A 2-year interim analysis report”. Chulalongkorn Medical Journal 63, no. 1 (August 4, 2023). accessed April 8, 2025. https://he05.tci-thaijo.org/index.php/CMJ/article/view/271.