เกตุพร โ. (2019) “Nutrition patient critical condition that use the respirator in Phra Nakhon Si Ayutthaya hospital”, Journal of Preventive Medicine Association of Thailand, 4(2), pp. 135–142. available at: https://he01.tci-thaijo.org/index.php/JPMAT/article/view/173090 (accessed: 9 October 2026).