M. C. Damle, S. V. Tembhurne, and S. R. Todkar, “Evaluation of Hepatoprotective Activity of Hydroalcoholic Extract of Onion Peels Containing Protocatechuic Acid”, J. Drug Delivery Ther., vol. 9, no. 4, pp. 82–88, Jul. 2019, doi: 10.22270/jddt.v9i4.2982.