title: Neuromyelitis optica and multiple sclerosis in sisters.
mesh_terms: D000328:Adult; D005192:Family Health; D005260:Female; D006650:Histocompatibility Testing; D006801:Humans; D008279:Magnetic Resonance Imaging; D009103:Multiple Sclerosis / Q000208:ethnology / Q000235:genetics* / Q000473:pathology; D009471:Neuromyelitis Optica / Q000208:ethnology / Q000235:genetics* / Q000473:pathology; D035781:Siblings; D014687:Venezuela; D044465:White People / Q000235:genetics