title: Patterns of serum and secretory IgA in acute and recurrent spastic bronchitis in children.
mesh_terms: D000208:Acute Disease; D001826:Body Fluids / Q000276:immunology; D001980:Bronchi / Q000378:metabolism; D001991:Bronchitis / Q000276:immunology*; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A; D007223:Infant; D012008:Recurrence; D014132:Trachea / Q000378:metabolism
chemical_list: D007070:Immunoglobulin A