title: Commentary on "Oral purified bacterial extracts in acute respiratory tract infections in childhood: a systematic review".
authors.affiliation: Allergy and Clinical Immunology Department, Hospital Infantil de Mexico "Federico Gomez", Dr. Marquez 162, Colonia de los Doctores, Mexico City, Distrito Federal, Mexico. blancadelrio@yahoo.com.mx
authors.forename: Blanca E
authors.initials: BE
authors.lastname: Del-Rio-Navarro
authors.forename: Virginia
authors.initials: V
authors.lastname: Blandon-Vigil
mesh_terms: D000276:Adjuvants, Immunologic / Q000627:therapeutic use; D001428:Bacterial Vaccines; D002648:Child; D006801:Humans; D015201:Meta-Analysis as Topic; D012141:Respiratory Tract Infections / Q000517:prevention & control*
chemical_list: D000276:Adjuvants, Immunologic; D001428:Bacterial Vaccines