TY - STAND AU - M. Frisher AU - O.I. Martino AU - J. Bashford AU - I. Crome AU - P. Croft BT - The European Journal of Psychiatry PY - 2013 SP - 240 EP - 7 T2 - The European Journal of Psychiatry TI - Incidence of psychoses among drug dependent patients in primary care with no psychiatric history: a retrospective observational matched-cohort study VL - 27 ER -