Mrutyunjaya Rao, R., Nareesh Saranapu, V.B. Ramanujan, C.P.S. Sastry, Pendem Krishnaiah, and Singampalli Srihari. “Antibacterial Action of Crude Solvent Extracts of Piper Officinarum”. Asian Journal of Chemistry 23, no. 9 (June 9, 2011): 4024–4026. Accessed March 4, 2026. https://asianpubs.org/index.php/ajchem/article/view/10788.