DAN, V. M.; RICHARD, V.; NAIR, A.; PUSHPANGADAN, P.; GEORGE, V.; VARMA, A.; PILLAI, R. Effect of extract of Bacillus megaterium 9554 on oral cancer cell line SCC131. Journal of Research in Biology, v. 2, n. 5, p. 523-528, 25 Jul. 2012.