title: A genetic study of congenital hereditary macular degeneration in the county of Västerbotten, Sweden.
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010375:Pedigree; D012162:Retinal Degeneration / Q000151:congenital / Q000235:genetics*; D012189:Retrospective Studies; D013548:Sweden; D014792:Visual Acuity