Comparative phytochemical studies of Mentha piperita genotypes multiplied in vitro / Danila, D., Gille, E., Barbu, C., Tóth, E.T. In: 3rd conference on medicinal and aromatic plants of Southeast European countries : book of abstracts, 5-8 September 2004, Nitra, Slovak Republic. -- Nitra : Slovenská poľnohospodárska univerzita, 2004. -- 80-8069-396-X. -- S. 81-82. rastliny liečivé * fytochémia * Mentha piperita L. * in vitro