Screening of Tomatoes and Onions for Trace Metals from Irrigated Farmlands on the Bank of River Challawa, Nigeria

M. S. Abdullahi, A. Uzairu, G.F. S. Harrison, M. L. Balarabe and O. J. Okunola

Pakistan Journal of Nutrition 7 ( 2 ): 308 - 311 , 2008