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Gastrointestinal cancer is one of the most common types of cancer which is predominantly associated with the environmental factors. The carcinogenic processes are linked with the imbalances of trace metals in body fluid and tissues.Trace metals (Cd, Cr, Cu, Fe, Ni, Pb and Zn) are estimated in blood plasma and scalp hair of the cancer patients and controls employing nitric acid–perchloric acid based...
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