TY - STAND AU - M. Frisher AU - I. Crome AU - J. Macleod AU - D. Millson AU - P. Croft BT - J Epidemiol Community Health DO - 10.1136/jech.2004.030833 M1 - 10 PY - 2005 SP - 847 EP - 50 T2 - J Epidemiol Community Health TI - Substance misuse and psychiatric illness: prospective observational study using the general practice research database VL - 59 SN - 0143-005X (Print) 0143-005x ER -