title: [Hallgren's syndrome in an 8-year-old boy].
mesh_terms: D002648:Child; D003638:Deafness / Q000150:complications; D006801:Humans; D008297:Male; D008439:Maxillary Diseases / Q000150:complications*; D010006:Osteoblasts; D010026:Osteosclerosis / Q000150:complications*; D012174:Retinitis Pigmentosa / Q000150:complications
vernacular_title: Zespół Hallgrena u 8-letniego chłopca.