These results suggest that dietary oxalate makes a much greater contribution to urinary oxalate excretion than previously recognized, that dietary calcium influences the bioavailability of ingested oxalate, and that the absorption of dietary oxalate may be an important factor in calcium oxalate stone formation.

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These results demonstrate a need for interventions designed to increase knowledge levels of risk factors for, signs, and symptoms of oral cancers and the need for oral cancer examinations; and to increase oral cancer examinations.

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