Thi Xuan, B., Tien Thanh, N., & Khanh Linh, T.
(2020).
Analysis of Direct Treatment Cost for Exacerbation of Chronic Obstructive Pulmonary Disease in E Hospital from October 2019 to March 2020.
VNU Journal Of Science: Medical And Pharmaceutical Sciences, 36(2).
doi:10.25073/2588-1132/vnumps.4242