Leelarungrayub, N., and P. Mahakkanukrauh. “A New Approach of Respiratory Physical Therapy in a Patient With Empyema Thoracis After Decortication”. Journal of Associated Medical Sciences, vol. 31, no. 3, Feb. 2015, p. 199, https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60338.