Thongkaow S, Tienthavorn T. Comparison of Cold Copolymer Gel Pack before Botulinum Toxin Injection Versus Standard Cold Pack in Subjects with Crow’s Feet: Non-Inferiority Trial. J Health Sci Thai [Internet]. 2024Oct.31 [cited 2024Nov.21];33(5):890-8. Available from: https://thaidj.org/index.php/JHS/article/view/15996