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1 Department of Pharmacology, Queen's University, Kingston, Ontario, Canada
1. In dogs, two-thirds of 31 antihistaminic agents significantly inhibited vomiting in the stringent apomorphine-challenge.
2. The antemetic doses were one-tenth to one-half or higher of the minimal toxic dose.
3. Fifty-seven to 75 per cent of the results by apomorphine-assay agreed with results in an antimotionsickness assay.
4. Analysis of antemeticostructural assignations suggested that antemetic agents may be found with a higher therapeutic index.
Submitted on November 6, 1954