Substance abuse in first-episode schizophrenic patients: a retrospective study.
Clin Pract Epidemiol Ment Health. 2006 Mar 23;2:4. doi: 10.1186/1745-0179-2-4.
Clin Pract Epidemiol Ment Health. 2006.
PMID: 16556300
Free PMC article.