Kittiponghansa, A.; Sucher, S.; Luechanimitchit, N.; Wittayapairoj, K.; Wanphon, K.; Chumsri, R. Appropriate Preoperative Blood Preparing and Risk factors Associated with Blood Transfusion in Patients Undergoing Elective Spine Surgery. Thai J Anesthesiol 2024, 50, 153-162.