Sangrit, Jeeranunt, Sukhontha Kongsin, Sukhum Jiamton, Sahaphume Srisuma, and Phusit Prakongsai. 2021. “Cost and Unit Cost of the Top 5 Most Common Diseases Hospitalized to the Queen Sirikit Medical Center, Ramathibodi Hospital in Fiscal Year 2016”. Journal of Health Systems Research 15 (3). Nonthaburi, Thailand:355-69. https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3499.