Suwanrattanadech, Supakij. “Effectiveness index of Routine Crossmatch for Elective Caesarean Section”. Thai Journal of Anesthesiology 46, no. 3 (May 26, 2020): 149–153. accessed September 29, 2026. https://he02.tci-thaijo.org/index.php/anesthai/article/view/242084.