Crack copyright is an illicit drug derived from copyright. It can produce some damages to the lungs and oral cavity. Objective: The aim of this study was to analyze the frequency of micronuclei and some nuclear alterations in epithelial cells of crack copyright users. https://www.diegojavierfares.com/mega-offer-Classic-Premier-Navy-Drapery-Fabric-by-Premier-Prints-30-Yard-Bolt-super-offer/