This Week's Letters

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Science  04 Apr 1997:
Vol. 276, Issue 5309, pp. 17-21
DOI: 10.1126/science.276.5309.17

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ON CLOSER INSPECTION U.S. Army researchers are said to be required to follow the "Common Rule" when conducting studies on humans. Concerns are expressed by New Zealanders about exterminating rabbits with the use of a viral disease. Some in vitro alternatives (below) to the Draize rabbit eye test are said to be making progress. And the response of the immune system to tuberculin vaccination is discussed.