Romphruk, Amornrat, Jongkol Akkahat, Thipaporn Jaroonsirimaneekul, Poonsup Sripara, Arunrat Romphruk, and Chintana Paupairoj. 2010. “Evaluation of K-Med gel in blood grouping and antibody screening tests”. Archives of Allied Health Sciences 22 (3). Khon Kaen, Thailand:252-61. https://he01.tci-thaijo.org/index.php/ams/article/view/66190.