1. 1. Agostini, G., and Echeverrigaray, S. (2006). Micropropagation of Cunilaincisa Benth., a potential source of 1,8-cineole. Rev. Bras. Pl. Med. Botucatu, 8:186-189.
2. 2. Aprotosoaie, C. (2005). Cercetări privind acțiunea unor pesticide aplicate în cultura plantelor medicinale: aspecte morfologice și biochimice. Teză de doctorat. UMF Gr.T.Popa, Iași, 377.
3. 3. Ardakani, M.R. (2003). Production and maintenance of Melissa officinalis cell cultures and comparison with metabolites produced by plant callus full. Journal of Medicinal Plants, 13: 68-71.
4. 4. Balogun, M.O., Akande, S.R., andOgunbodede, B.A. (2007). Effects of plant growth regulators on callus, shoot and root formation in fluted pumpkin (Telfairiaoccidentalis). Afr. J. Biotechnol., 6:355-358.
5. 5. Blakesley, D., and Constantine, D. (1992). Uptake and metabolism of 6-benzyadenine in shoot cultures of a range of species. Plant Cell Tiss. Org. Cult. 28:183-186.