Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Strang, John; Groshkova, Teodora; Uchtenhagen, Ambros; van den Brink, Wim; Haasen, Christian; Schechter, Martin T; Lintzeris, Nick; Bell, James; Pirona, Alessandro; Oviedo-Joekes, Eugenia; Simon, Roland; Metrebian, Nicola (2015). Heroin on trial: systematic review and meta-analysis of randomised trials of diamorphine-prescribing as treatment for refractory heroin addiction. British Journal of Psychiatry, 207(1):5-14.