Menon, Anirudh, et al. “PRELIMINARY PHYTOCHEMICAL ANALYSIS AND CYTOTOXICITY POTENTIAL OF PINEAPPLE EXTRACT ON ORAL CANCER CELL LINES”. Asian Journal of Pharmaceutical and Clinical Research, vol. 9, no. 8, Oct. 2016, pp. 140-3, doi:10.22159/ajpcr.2016.v9s2.13313.