title: [2 cases of selective immunoglobulin A deficiency--cellular defects of immunoglobulin A production (author's transl)].
mesh_terms: D000328:Adult; D004406:Dysgammaglobulinemia / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000096:biosynthesis*; D008214:Lymphocytes / Q000276:immunology*; D008297:Male; D008875:Middle Aged
chemical_list: D007070:Immunoglobulin A