Trang, Nguyen Thi Huyen, Do Thi Thanh Trung, Nguyen Thi Thanh Thi, Pham Thi Luong Hang, Pham Thi Vinh Hoa, and Pham Bao Yen. 2019. “Antibacterial Activity of <i> Piper Betle < i> Extracts on <i> Helicobacter Pylori < i> And Identification of Potential Compounds”. <i>Academia Journal of Biology</i> 41 (4). https://doi.org/10.15625/0866-7160/v41n4.13876.