Heavy Metals in Edible Green Vegetables Grown Along the Sites of the Zanjanrood River in Zanjan, Iran

A. Eslami, Gh. R. Jahed Khaniki, M. Nurani, M. Mehrasbi, M. Peyda and R. Azimi

Journal of Biological Sciences 7 ( 6 ): 943 - 948 , 2007