title: [The problems of congenital choanal atresias].
mesh_terms: D000015:Abnormalities, Multiple / Q000175:diagnosis; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000175:diagnosis; D003604:Czechoslovakia; D006801:Humans; D007223:Infant; D009305:Nasopharynx / Q000002:abnormalities*; D012189:Retrospective Studies
vernacular_title: Príspĕvek k problematice kongenitálnich choanálních atrézií.