title: Primary immunodeficiency disease presenting in midlife.
authors.forename: S J
authors.initials: SJ
authors.lastname: Kornfeld
authors.forename: R N
authors.initials: RN
authors.lastname: Haire
authors.forename: G W
authors.initials: GW
authors.lastname: Litman
mesh_terms: D000361:Agammaglobulinemia / Q000201:enzymology / Q000235:genetics*; D008040:Genetic Linkage; D006801:Humans; D008875:Middle Aged; D009154:Mutation; D011505:Protein-Tyrosine Kinases / Q000235:genetics*; D014960:X Chromosome
chemical_list: D011505:Protein-Tyrosine Kinases