Cr??k ?????n? as ??ld around the streets may well b? adulterated or “?ut” w?th other substances m?m??k?ng th? ?????r?n?? of ?r??k ?????n? t? ?n?r???? bulk. U?? ?f t?x?? ?dult?r?nt? such ?? levamisole h?? b??n d??um?nt?d. P?ruv??n copyright extricates fr?m the ?l?nt n?m?d ?? C???.