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 (Sept. 2022), 1–6. DOI:https://doi.org/10.24018/ejbiomed.2022.1.5.24.