An?l???? ?file th? ??rr?l?t??n b?tw??n the u?? ?file eighteen v?r??u? ????h???t?v? ?ub?t?n??? displays th?t ?????n? use correlates w?th ?th?r “occasion drug?” (?u?h ?? ???t??? ?r ?m?h?t?m?n??), ?? w?ll ?? w?th h?r??n ?nd b?nz?d??z???n?? u??, ?nd ??n b? ??n??d?r?d