Summary
This is a report of a comparison between patient verbal reports of dosage deviation during a drug study and pill counts. Pill counts are much more reliable, but verbal reports are of some value, since when there are statements of major deviations they tend to be correct.
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References
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This study was supported partly by United States Public Health Service Grants Number M 3741A and MYP 04732.
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Park, L.C., Lipman, R.S. A comparison of patient dosage deviation reports with pill counts. Psychopharmacologia 6, 299–302 (1964). https://doi.org/10.1007/BF00413160
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DOI: https://doi.org/10.1007/BF00413160