title: Serum IgA deficiency in systemic lupus erythematosus.
authors: Thelma L
authors: TL
authors: Skare
authors: Ana Paula França
authors: AP
authors: Mantovani
authors: Mariel Perini
authors: MP
authors: Monclaro
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D017098:IgA Deficiency / Q000209:etiology*; D008180:Lupus Erythematosus, Systemic / Q000150:complications*; D008297:Male; D008875:Middle Aged