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Science 12 June 1981:
Vol. 212. no. 4500, p. 1214
DOI: 10.1126/science.212.4500.1214-c
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Erratum

In the letter from Bailus Walker, Jr. (22 May, p. 875), option (ii) in the second paragraph should have read: "general laboratory guidelines which would be mandatory only for work with those substances regulated by OSHA health standards for general industry...."

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Science. ISSN 0036-8075 (print), 1095-9203 (online)