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Cooke JE, Xu Q, Wilson SW, Holder N.Cooke JE, et al. Among authors: xu q.Dev Genes Evol. 1997 May;206(8):515-531. doi: 10.1007/s004270050082.Dev Genes Evol. 1997.PMID: 27747378
Macdonald R, Barth KA, Xu Q, Holder N, Mikkola I, Wilson SW.Macdonald R, et al. Among authors: xu q.Development. 1995 Oct;121(10):3267-78. doi: 10.1242/dev.121.10.3267.Development. 1995.PMID: 7588061
Macdonald R, Xu Q, Barth KA, Mikkola I, Holder N, Fjose A, Krauss S, Wilson SW.Macdonald R, et al. Among authors: xu q.Neuron. 1994 Nov;13(5):1039-53. doi: 10.1016/0896-6273(94)90044-2.Neuron. 1994.PMID: 7946344