Offender-based Interventions Unit : ISSUE No. 1 / Home Office, 21 DECEMBER 2006
PDF - http://www.drugs.gov.uk/publication-search/dip/OIUSub-ProgrammeCommsBulletin?view=Binary

DIP: Drug Interventions Record Review Project FAQ / Home Office, 15 December 2006
PDF - http://www.drugs.gov.uk/publication-search/dip/FAQs_DIRReview?view=Binary