title: Respiratory syncytial virus subgroups and pneumonia in children.
authors.forename: J C
authors.initials: JC
authors.lastname: Russi
authors.forename: H
authors.initials: H
authors.lastname: Chiparelli
authors.forename: A
authors.initials: A
authors.lastname: Montano
authors.forename: P
authors.initials: P
authors.lastname: Etorena
authors.forename: M
authors.initials: M
authors.lastname: Hortal
mesh_terms: D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011024:Pneumonia, Viral / Q000209:etiology*; D012136:Respiratory Syncytial Viruses / Q000145:classification; D010253:Respirovirus Infections