Wongswadiwat, Malinee, Duangnade Litu, Suthannee Simajaruk, Punlop Boondaj, Waraporn Chau-in, and Siri Chau-in. 2017. “Is routine preoperative crossmatch appropriate for elective laparoscopic cholecystectomy?”. Thai Journal of Anesthesiology 43 (1):40-48. https://he02.tci-thaijo.org/index.php/anesthai/article/view/92224.