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2. Congenital Anomalies of the Esophagus Related to Esophageal Foreign Bodies;Holinger;Am. J. Dis. Child.,1949
3. Caustic Strictures of the Esophagus;Holinger;Illinois M. J.,1950
4. Atresias do Esofago;Barretto;Rev. paul. Med.,1948
5. Seccao de Broncho-Esofagologia;Da Rocha;Rev. brasil. cir.,1952