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Correction

In "Sex Differences in the Prevalence of Severe Tardive Dyskinesia" by James M. Smith, Ph.D., and Daniel D. Dunn, M.A. (August 1979 issue) the second sentence in the last paragraph of the Results section should read as follows: "With a single symptom criterion of 3.5, the ratio was greater than 4 to 1 (32.8% versus 7.8%). . . ." The staff regrets this error.

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