1. Abul-Nasr, S. M., El-Shafey, M. D. M., & Osfor, M. M. H. (2001). Amelioration by Nigella sativa of methotrexate induced toxicity in male albino rats: A biochemical, haematological and histological study. Scintia Agriculturae Bohemica, 32, 123–160.
2. Adedeji, O. (2004). Leaf epidermal studies of the species of Emilia Cass. (Senecioneae, Asteraceae) in Nigeria. Botanica Lithuanica, 10(2), 121–133.
3. Adedeji, O., Ajuwon, O. Y., & Babawale, O. O. (2007). Foliar epidermal studies, organographic distribution and taxonomic importance of trichomes in the family Solanaceae. International Journal of Botany, 3(3), 276–282.
4. Aggarwal, B. B., Kunnumakkara, A. B., Harikumar, K. B., Tharakan, S. T., Sung, B., & Anand, P. (2008). Potential of spice-derived phytochemicals for cancer prevention. Planta Medica, 74(13), 1560–1569.
5. Ahmad, K., Khan, M. A., Ahamd, M., Shaheen, N., & Nazir, A. (2010). Taxonomic diversity in epidermal cells of some sub-tropical plant species. International Journal of Agriculture and Biology, 12(1), 115–118.