To test the efficacy of @ interventions for opioid dependence : ( @ ) screening and referral to treatment ( referral ) ; ( @ ) screening , brief intervention , and facilitated referral to community-based treatment services ( brief intervention ) ; and ( @ ) screening , brief intervention , ED-initiated treatment with buprenorphine/naloxone , and referral to primary care for @-week follow-up ( buprenorphine ) .