1. Esophageal stenosis in children;Aprigliano;Ann. Otol.,1980
2. Cervical oesophageal webs in patients with dysphagia;Ekberg;Clin. Radiol.,1981
3. Webs and web-like formations in the pharynx and cervical esophagus;Ekberg;Diag. Imag.,1983
4. Congenital esophageal strictures;Greenough;Am. J. Roent.,1964
5. Congenital anomalies of the esophagus;Holinger;Ann. Otol. Rhinol. Laryngol.,1951