Toxic and mutagenic properties of extracts from Tunisian traditional medicinal plants investigated by the neutral red uptake, VITOTOX and alkaline comet assays, Edziri, H., Mastouri M., Mahjoub A., Anthonissen R., Mertens Birgit, Cammaerts S., Gevaert L., and Verschaeve Luc , South African Journal of Botany, Jan-08-2011, Volume 77, Issue 3, Number 710, (2011)