Sombood P, Yankan K, Sritanapongsa I, Wanpetch A, Vichitvejpaisal P. Impending Hypovolemia in Elderly Patients Under Anesthesia . Thai J Anesthesiol [internet]. 2023 Aug. 22 [cited 2026 Sep. 20];49(5):345-50. available from: https://he02.tci-thaijo.org/index.php/anesthai/article/view/264828