TY - CHAP T1 - Involving service users as trainers for professionals working in adult statutory mental health services PY - 2003/10/20 AU - Simpson EL AU - Barkham M AU - Gilbody S AU - House A ED - DO - DOI: 10.1002/14651858.cd004813 PB - John Wiley & Sons, Ltd Y2 - 2025/07/15 ER -