References
Wernet MF, Desplan C. Building a retinal mosaic: cell-fate decision in the fly eye. Trends Cell Biol. 2004 Oct;14(10):576-84. PMID: #15450980#
Kumar JP. Signalling pathways in Drosophila and vertebrate retinal development. Nat Rev Genet. 2001 Nov;2(11):846-57. PMID: #11715040#