saehuan, choedchai, Pinitchun, C., & Yimsiri, P. (2022). Antibacterial Activity of Mandelic Acid Against Klebsiellae Pneumonia. NU Journal of Nursing and Health Sciences, 16(2), 55–65. retrieved from https://he01.tci-thaijo.org/index.php/NurseNu/article/view/254773