McCambridge, J; Gossop, M; Beswick, T; Best, D; Bearn, J; Rees, S; Strang, J; (2007) In-patient detoxification procedures, treatment retention, and post-treatment opiate use: comparison of lofexidine + naloxone, lofexidine + placebo, and methadone. Drug and alcohol dependence, 88 (1). pp. 91-5. ISSN 0376-8716 DOI: https://doi.org/10.1016/j.drugalcdep.2006.09.020 Full text not available from this repository.