title: Immunologic studies in ataxia-telangiectasia. I. Delayed hypersensitivity and serum immune globulin levels in probands and first-degree relatives.
mesh_terms: D000293:Adolescent; D000328:Adult; D001259:Ataxia / Q000235:genetics* / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006968:Hypersensitivity, Delayed; D012882:Skin Tests; D005719:gamma-Globulins
chemical_list: D005719:gamma-Globulins