Levels of Trace Metals in Washed and Unwashed Leaves of Roadside Vernonia amygdalina obtained in Abak, Akwa Ibom State, Nigeria
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Citation: E. D. Udosen, E. I. Uwah, I. I. Jonathan(2017) Levels of Trace Metals in Washed and Unwashed Leaves of Roadside Vernonia amygdalina obtained in Abak, Akwa Ibom State, Nigeria. International Journal of Advances in Pharm., Biol. and Chem.; Vol. 6, No. 2. Pp 131 – 133.