title: Selective guide to current reference sources on topics discussed in this issue.
authors: Gustave L. and Janet W. Levy Library of the Mount Sinai School of Medicine, New York, NY 10029-6574, USA.
authors: L K
authors: LK
authors: Morgan
mesh_terms: D016739:Behavior, Addictive; D019992:Databases as Topic; D006801:Humans; D007255:Information Services; D020407:Internet; D019966:Substance-Related Disorders