title: Letter: Selective IgA deficiency and idiopathic thrombocytopenic purpura.
mesh_terms: D000328:Adult; D004406:Dysgammaglobulinemia / Q000097:blood / Q000150:complications*; D005260:Female; D006801:Humans; D007070:Immunoglobulin A; D007153:Immunologic Deficiency Syndromes / Q000150:complications*; D008297:Male; D008875:Middle Aged; D011696:Purpura, Thrombocytopenic / Q000209:etiology*
chemical_list: D007070:Immunoglobulin A