Ratanaopas, S., and P. Jeerapa. “Effect of Mental Health Care for Post-Discharge COVID-19 Patients, Paknam Chumphon Hospital”. Srinagarind Medical Journal, vol. 37, no. 6, Dec. 2022, pp. 645-53, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/255828.