title: [Comparative studies of the IgA content of bronchial secretion, nasal secretion and serum in children with chronic respiratory tract diseases].
mesh_terms: D001980:Bronchi / Q000378:metabolism; D001991:Bronchitis / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007223:Infant; D009093:Mucus / Q000276:immunology; D009297:Nasal Mucosa / Q000378:metabolism; D012140:Respiratory Tract Diseases / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A
vernacular_title: Komparative Untersuchungen des Immunoglobulin-A-(IgA-)Gehalts des Bronchialsekrets, Nasensekrets und Serums an Kindern mit chronischen Luftwegserkrankungen.