title: [Investigation on the level of antibodies against respiratory syncytial virus in children in Nanning City].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D002681:China; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012136:Respiratory Syncytial Viruses / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral