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Multiple Errors.—In the article, "Amitriptyline-Perphenazine Interaction in Ambulatory Schizophrenic Patients: A Controlled Study of Drug Interaction," published in the October Archives (32:1295-1307, 1975), the following errors occurred:
On p 1295, in line 5 of the synopsis-abstract, the dosage of amitriptyline-perphenazine should have read 125 —20 mg/day, not 20 mg/day. The same dosage error occurred on p 1296, in column 1, in the second line from the bottom of the section titled "Study Design."
On p 1299, in column 1, line 10 should have begun —.32, not +.32.
On p 1307, the second entry under the listing of "Nonproprietary Names and Trademarks of Drugs" should have read "Amitriptyline hydrochloride—Elavil." As published, the nonproprietary name was incorrectly given as "Chlorpromazine hydrochloride."
CORRECTION. Arch Gen Psychiatry. 1976;33(2):215. doi:10.1001/archpsyc.1976.01770020053008