title: Selective guide to current reference sources on topics discussed in this issue.
authors.affiliation: Gustave L. and Janet W. Levy Library, Mount Sinai School of Medicine, New York, NY 10029-6574, USA.
authors.forename: L K
authors.initials: LK
authors.lastname: Morgan
mesh_terms: D006801:Humans; D007255:Information Services; D009862:Online Systems; D010506:Periodicals as Topic; D019966:Substance-Related Disorders