J. Ndacyayisenga, E. N. Maina, L. C. Ngeny, F. Wamunyokoli, and F. M. Tolo, “Purple tea catechins exhibit high antiproliferative activity and synergism with cisplatin against the triple-negative breast cancer cell line 4T1”, Arch Biol Sci, vol. 75, no. 4, pp. 475–488, Dec. 2023.