Phitphibunwong, Phuttasini, Borwon Wittayachamnankul, and Boriboon Chenthanakit. 2019. “Early goal directed therapy in severe sepsis and septic shock patient: Can CVP measurement replaced by IVC Ultrasound?”. Thai Journal of Emergency Medicine 1 (2). Bangkok, Thailand:15-30. https://he02.tci-thaijo.org/index.php/TJEM/article/view/247242.