sub:provenance { pmid:14718298dct:title "Novel mutations in the cellular retinaldehyde-binding protein gene (RLBP1) associated with retinitis punctata albescens: evidence of interfamilial genetic heterogeneity and fundus changes in heterozygotes" , "Ophthalmic Molecular Genetics" . sub:assertionhas-source:pmid:14718298 . }