Even if pubic hair represents a reliable and widely accepted alternative hair matrix to identify drug abusers. it might produce false positive results due to external contamination. The aim of this study was to verify whether the external contamination of pubic hair with copyright could influence the discrimination between active users and false positive subjects. The analysis was per... https://www.macorners.shop/product-category/engravable-bead-name-cuff-bracelet-with-birthstone-gift-box/