title: [Oral polyvalent bacterial vaccine in children with recurrent respiratory infections].
mesh_terms: D001428:Bacterial Vaccines / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007071:Immunoglobulin A, Secretory / Q000032:analysis; D007223:Infant; D008297:Male; D012008:Recurrence; D012141:Respiratory Tract Infections / Q000276:immunology / Q000628:therapy*
chemical_list: D001428:Bacterial Vaccines; D007071:Immunoglobulin A, Secretory
vernacular_title: Vaccino batterico orale polivalente in bambini con infezioni respiratoire ricorrenti (I.R.R.).