prepared by the Committee on Revisions of the Guide for Laboratory Animal Facilities and Care of the Institute of Laboratory Animal Resources, National Research CouncilU.S. Dept. of Health, Education, and Welfare, National Institutes of Health1968
prepared by the Committee on the Guide for Laboratory Animal Facilities and Care of the Institute of Laboratory Animal Resources, National Academy of Sciences-National Research CouncilU.S. Dept. of Health, Education, and Welfare, Public Health Service1965