Felbor U, Gehrig A, Sauer CG, et al. (1998). "Genomic organization and chromosomal localization of the interphotoreceptor matrix proteoglycan-1 (IMPG1) gene: a candidate for 6q-linked retinopathies". Cytogenet. Cell Genet. 81 (1): 12–7. doi:10.1159/000015001. PMID9691169. S2CID46766267.
van Lith-Verhoeven JJ, Hoyng CB, van den Helm B, et al. (2004). "The benign concentric annular macular dystrophy locus maps to 6p12.3-q16". Invest. Ophthalmol. Vis. Sci. 45 (1): 30–5. doi:10.1167/iovs.03-0392. PMID14691150.
Abd El-Aziz MM, El-Ashry MF, Barragan I, et al. (2006). "Molecular genetic analysis of two functional candidate genes in the autosomal recessive retinitis pigmentosa, RP25, locus". Curr. Eye Res. 30 (12): 1081–7. doi:10.1080/02713680500351039. PMID16354621. S2CID26204316.