Corrections and Clarifications

Erratum

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Science  07 Dec 1990:
Vol. 250, Issue 4986, pp. 1320
DOI: 10.1126/science.1320-c

Abstract

In the Research News article "The embryo takes its vitamins" by Michelle Hoffman (19 Oct., p. 372), three double bonds were omitted from the side chain of the structure shown on page 372 for all-transretinoic acid. The correct structure is shown below.