O. Ogbemudia F, N. Bassey I, Kekere O, D. Udo E. Concentrations of heavy metals in three commonly used medicinal vegetables in Akwa- Ibom state. Sci. J. Environ. Sci. [Internet]. 2012Sep.30 [cited 2024Jul.22];1(2):21-9. Available from: http://sjournals.com/index.php/sjes/article/view/1274