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Science 6 August 1993:
Vol. 261. no. 5122, p. 668
DOI: 10.1126/science.261.5122.668-b
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Articles

Corrections and Clarifications

The first sentence in Charles P. Casey's Article of 12 March, "Organorhenium chemistry" (p. 1552), should have read, "In 1925, rhenium, the last of the elements with a nonradioactive isotope, was discovered."

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