title: The best should not be the enemy of the good.
authors.affiliation: Division on Substance Abuse, Columbia University, 1051 Riverside Drive, Unit 66, New York, NY 10032, USA. hdk3@columbia.edu
authors.forename: Herbert D
authors.initials: HD
authors.lastname: Kleber
mesh_terms: D004335:Drug and Narcotic Control; D006801:Humans; D009307:National Academy of Sciences, U.S.; D012107:Research Design; D019966:Substance-Related Disorders / Q000628:therapy*; D014481:United States