References:
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2. Xinzhong Dong et als. "Control of G1 in the developing Drosophila eye: rca1 regulates Cyclin A," Genes and Devel, Vol. 11(1), 1/97.
3. Andrea Penton, "Regulation Of Cell Cycle Synchronization by decapentaplegic during Drosophila Eye Development," SCIENCE, VOL. 272, 1/10/97.