Gupta, A., A. Khajuria, J. Singh, and K. Suri. “Adjuvant Effect of Biopolymeric Fraction from Picrorhiza Kurroa to Promote Both Th1 and Th2 Immune Responses”. Journal of Progressive Research in Biology, Vol. 1, no. 1, Apr. 2015, pp. 7-16, http://scitecresearch.com/journals/index.php/jprb/article/view/113.