the dose of a drug (per kilogram of body weight of cat), which is just large enough to kill a cat when administered intravenously; was applied in the standardization of digitalis materials.
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Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
The amount of drug per kilogram of body weight just sufficient to kill a cat when injected intravenously slowly and continuously.
Medical Dictionary, © 2009 Farlex and Partners