Mishra, Nidhi and Gupta , A P and Singh , Bikram and Kaul , V K and Ahuja, Paramvir Singh (2005) A rapid determination of podophyllotoxin in podophyllum hexandrum by reverse phase high performance thin layer chromatography. Journal of Liquid Chromatography & Related Technologies, 28 (5). pp. 677-691. ISSN 1082-6076

Mishra, Nidhi and Acharya , Ruchi and Singh , Bikram and Gupta , A P and Kaul , V K and Ahuja, Paramvir Singh (2005) A simple microanalytical technique for determination of podophyllotoxin in Podophyllum hexandrum roots by quantitative RP–HPLC and RP–HPTLC. Current Science, 88 (9). pp. 1372-1373.