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Correction: In the article, “Implication of OTX2 in Pigment Epithelium Determination and Neural Retina Differentiation,” by P. Bovolenta, A. Mallamaci, P. Briata, G. Corte, and E. Boncinelli, which appeared on pages 4243–4252 of the June 1, 1997 issue, P. Briata and G. Corte both should have the following additional affiliation: Laboratory of Immunobiology, IST, 16132 Genoa, Italy.
