Coding and tabulating machine processing of physical signs in toxicity tests

R. W. Reichardt, S. P. Sher, Rob Ford, R. B. Anderson and E. E. Vogin

American Documentation, 1967, vol. 18, issue 2, 81-86

Abstract: A system utilizing relatively simple machine methods is described for processing physical signs occurring in subacute and chronic toxicity tests in dogs and rats. Signs are coded by organ system and specific sign within organ systems. These codes are then entered on IBM cards. Signs that are not included in the code notation are entered in natural language. At the termination of the experiment, signs are printed out by sign and dosage group or by animal and dosage group. The system has simplified the analysis of the experiments and aided in evaluating the dose relationship of signs.

Date: 1967
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