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THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH JM an agin g Editors Ph il ip Dr in k e r Ma r g a r e t S.

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LIST November 23 , 194-3 Peters and Van Voorhis Statistical Procedures and Their Mathematical Basis McGraw-Hill Book Co., New York, 194-0. ** Fisher & Yates Statistical Tables for Biological, Agricultural and Medical Research - Hafner, New York, 1943