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