V. Sharma, A. Shori, S. K. Paliwal, and S. Sharma, “QUENCHING OF N-NITROSOPYRROLIDINE INDUCED HEPATOCELLULAR CARCINOMA ON POST TREATMENT WITH THE HELICTERES ISORA”, Asian J Pharm Clin Res, vol. 8, no. 3, pp. 344–349, May 2015.