TY - RPRT TI - Towards quality indicators for assertive outreach programmes for severely impaired substance abusers: concept mapping with Dutch experts. AU - Diana Roeg AU - Ien van de Goor AU - Henk Garretsen PY - 2005 DO - 10.1093/intqhc/mzi031 UR - https://pubmed.ncbi.nlm.nih.gov/15788464/ ID - 15788464 ER -