Research ArticleOpen accessPhrase in the titleHeavy 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 · 9,270 accessesView PDFCite