Research ArticleOpen accessIn the author namesHeavy Metals and Anion Levels in Some Samples of Vegetable Grown Within the Vicinity of Challawa Industrial Area, Kano State, NigeriaJ. C. Akan, F. I.A. Abdulrahman, V. O. Ogugbuaja, J. T. AyodeleAmerican Journal of Applied Sciences, Vol. 6, Issue 3 · 31 Mar 2009 · 9,278 accessesView PDFCite