Shrestha, S. et al. 2013. Chemical Constituents of Yarsagumba (Ophiocordyceps sinensis (Berk.) Sung et al.), a Valued Traditional Himalayan Medicine. Nepal Journal of Science and Technology. 13, 1 (Jan. 2013), 43–58. DOI:https://doi.org/10.3126/njst.v13i1.7398.