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Letter

Nature Cell Biology 5, 827–833 (1 September 2003) | doi:10.1038/ncb1041

Wingless promotes cell survival but constrains growth during Drosophila wing development

Laura A. Johnston & Angela L. Sanders

During animal development, organs grow to a fixed size and shape. Organ development typically begins with a rapid growth phase followed by a gradual decline in growth rate as the organ matures, but the regulation of either stage of growth remains unclear.