C. N. Le, D. T. Nguyen, S. . Kaewsawat, . C. Suwangbamrung, and P. Khammaneechan, “Therapeutic Effectiveness of Cefoperazone for Community-Acquired Pneumonia and Associated Factors in a Tertiary Care Hospital, Vietnam”, J. Pharm. Nutr. Sci., vol. 11, pp. 20–27, Jun. 2021.