Corrections and Clarifications


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Science  15 Mar 1963:
Vol. 139, Issue 3559, pp. 1130
DOI: 10.1126/science.139.3559.1130


The sensitivity and accuracy of the Mettler ultramicro balance described in New Products [18 Jan. 1963, item 5, p. 254] are measured in micrograms rather than milligrams.

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