N. D. Thắng, N. D. . Gia, Đoàn Q. Hưng, B. X. Trường, and V. N. Tú, “27. Endoscopic thoracic surgery for diagnostic the etiology of pleural effusion at Hanoi Medical University”, TCNCYH, vol. 159, no. 11, pp. 220-228, Nov. 2022.