Theaflavin-3,3'-digallate triggers apoptosis in osteosarcoma cells via the caspase pathway. - Yat-Yin Law; Yi-Hsien Hsieh; Yih-Shou Hsieh; Yi-Hsun Lee; Chia-Ling Tang; Chia-Yi Lee; Shun-Fa Yang; Shu-Chen Chu; Pei-Ni Chen (Journal of Cancer, 2025)