Psychotropic analgesic nitrous oxide (PAN) as a probe of the endogenous opioid system in man and for treating substance abuse withdrawal / Mark A. Gillman and Frederick J. Lichtigfeld -- Substance abuse treatment : new research / Timothy W. Kinlock and Michael S. Gordon -- Contracting, prompting, and reinforcing substance abuse treatment aftercare adherence / Steven J. Lash, Jannifer L. Burden, and Stephanie A. Fearer -- Strategies for implementing evidence-based practice in community substance abuse treatment settings / Roger H. Peters ... [et al.] -- Incorporation of regularised urine-based HIV testing in methadone treatment programme for enhancing the effectiveness of HIV prevention in drug users / S.S. Lee ... [et al.] -- A comparison between the intercept oral fluid and urinalysis / George S. Yacoubian -- Faith-based substance abuse treatment as a form of informal social control : examining the impact of informal versus formal social controls on client outcomes / Meridith A. Thanner, Christina Yancey and Faye S. Taxman -- Treatment issues for dually diagnosed women substance misusers / Christina Van Puymbroeck and Sara E. Gutierres