X-linked retinitis pigmentosa and linkage studies with the Xg blood-groups.
D000328:Adult; D002353:Carrier State; D002675:Child, Preschool; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012174:Retinitis Pigmentosa / Q000235:genetics*