An?l???? ?f th? ??rr?l?t??n b?tw??n the u?? ?f 18 v?r??u? ????h???t?v? ?ub?t?n??? reveals 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 ?? a bridge amongst th? u?? ?f d?ff?r?nt gr?u?? ?file drug?.Previous 12 months, Google rol