Elshama, S.S., Osman, H.-E.H. and El-Kenawy, A.E.-M. 2014. Toxicological evaluation of chronic administration of Catharanthus roseus extract in the adult albino rats. JOURNAL OF ADVANCES IN BIOLOGY. 6, 1 (Oct. 2014), 817–824. DOI:https://doi.org/10.24297/jab.v6i1.5464.