Marpaung, M. G., and M. Silitonga. “Protective Effect Ethanol Extract of Bidens Pilosa L. On the Immune System Based on Histological Spleen of Rattus Norvegicus Alcohol-Induced”. Journal of Pharmaceutical and Sciences, vol. 9, no. 1, Jan. 2026, pp. 98-106, doi:10.36490/journal-jps.com.v9i1.1183.