title: Invited letter concerning: tracheal operations in infancy.
authors.forename: R A
authors.initials: RA
authors.lastname: Jonas
mesh_terms: D002315:Cardiopulmonary Bypass; D002675:Child, Preschool; D006330:Heart Defects, Congenital / Q000601:surgery; D006801:Humans; D007223:Infant; D014135:Tracheal Stenosis / Q000151:congenital* / Q000601:surgery