Retinitis pigmentosa, X-linked form: two kindreds.
D000293:Adolescent; D000328:Adult; D005260:Female; D005451:Fluorescein Angiography; D005654:Fundus Oculi; D008040:Genetic Linkage; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D010414:Pennsylvania; D012174:Retinitis Pigmentosa / Q000235:genetics*; D012730:Sex Chromosomes