T. C. Huỳnh, H. P. K. Nguyễn, H. Đ. Nguyễn, and H. X. T. Tô, “Characteristics and Antimicrobial Susceptibility of bacteria causing Pneumonia in Patients with Acute Exacerbation of COPD at Thong Nhat Hospital”, JHA, vol. 2, no. 9, pp. 83–88, Oct. 2026, doi: 10.63947/bvtn.v2i9.11.