题目内容
The first edition of the Guide for Laboratory Animal Facilities and Care, was prepared by the Animal Facilities Standards Committee of the Animal Care Panel and published in ______ by the US Department of Health, Education, and Welfare and adopted by ILAR.
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In the book The Principles of Humane Experimental Technique, published in 1959, Russell and Burch proposed the concept of the 3Rs.
________________ refers to methods which avoid or replace the use of animals in an area where animals would otherwise have been used.
________________ refers to any strategy that will result in fewer animals being used.
______________ refers to the modification of husbandry or experimental procedures to minimize pain and distress.
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