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Nature Neuroscience 9, 331–339 (1 March 2006) | doi:10.1038/nn1657

Pigment epithelium|[ndash]|derived factor is a niche signal for neural stem cell renewal

Carmen Ram|[iacute]|rez-Castillejo , Francisco S|[aacute]|nchez-S|[aacute]|nchez , Celia Andreu-Agull|[oacute]| , Sacri R Ferr|[oacute]|n , J Daniel Aroca-Aguilar , Pilar S|[aacute]|nchez , Helena Mira , Julio Escribano & Isabel Fari|[ntilde]|as