Frisilla, D., Pangkahila, W. and Darwinata, A. E. (2022) “The Ethanol Extract of Tangse Liberica Coffee (Coffea liberica) Inhibited the Reduction of Leydig Cell Number and Testosterone Levels in Male Wistar Rats (Rattus norvegicus) Exposed to Ultraviolet B Light”, European Journal of Biomedical Research, 1(5), pp. 1–6. doi: 10.24018/ejbiomed.2022.1.5.24.