title: Congenital dyskeratosis and immunological defect.
mesh_terms: D000293:Adolescent; D000361:Agammaglobulinemia / Q000209:etiology; D000741:Anemia, Aplastic / Q000276:immunology; D006801:Humans; D007104:Immune Adherence Reaction; D007153:Immunologic Deficiency Syndromes / Q000150:complications*; D007642:Keratosis / Q000276:immunology*; D007972:Leukoplakia, Oral / Q000276:immunology; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D008297:Male; D010859:Pigmentation Disorders / Q000276:immunology*; D013577:Syndrome