title: Selective guide to current reference sources on topics discussed in this issue.
authors.affiliation: Mount Sinai Medical Center, Inc., New York, NY 10029-6574.
authors.forename: L
authors.initials: L
authors.lastname: Kasner Morgan
mesh_terms: D006801:Humans; D007255:Information Services; D007999:Library Services; D009862:Online Systems; D019966:Substance-Related Disorders