Saringcarinkul, Ananchanok, Pathomporn Pin-on, Khwanhathai Kongsinsukadool, and Siriwan Chuasuwan. 2018. “Evaluation of the appropriateness of preoperative tests on patients undergoing elective neurosurgery”. Biomedical Sciences and Clinical Medicine 57 (3):127-34. https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/98264.