Thieu TT, Ly QH, Nguyen VL, Tran TPD. THE RESULT OF BOTULINUM TOXIN FOR TREATING A GUMMY SMILE AT CAN THO UNIVERSITY OF MEDICINE AND PHARMACY HOSPITAL. CTJUMP. 2026;(36):46-52. Accessed August 26, 2026. https://tapchi.ctump.edu.vn/index.php/ctump/article/view/877