“ANTI-MICROBIAL AND EXPECTORANT ACTIVITIES OF LOZENGES AND SYRUP FROM HEDERA NEPALENSIS”. Tạp chí Dược liệu 28, no. 1 (August 7, 2026): pp. 116 – 122. Accessed August 8, 2026. https://tapchiduoclieu.vn/index.php/jomm/article/view/343.