Kumar, A. S., Ganesh, M., Peng, M. M. and Hyun Tae, J. (2014) “Phytochemical, antioxidant, antiviral and cytotoxic evaluation of Opuntia dillenii flowers”, Bangladesh Journal of Pharmacology, 9(3), pp. 351–355. doi: 10.3329/bjp.v9i3.19489.