title: [Deficiency and lack of immunoglobulin A (IgA). Study of 12 cases].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004406:Dysgammaglobulinemia / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007153:Immunologic Deficiency Syndromes / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D012463:Saliva / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M
vernacular_title: Déficit y carencia de inmunoglobulina A(IgA). Estudio de 12 casos