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2. “Empyema Complicated, by Broncho-Esophago-Pleural Fistula,” Ann;Berman;Surg,1943
3. “The Anesthetic Management and Problems in Closure of Traumatic Tracheo-Esophageal Fistula in an Adult (Case Report),”;Caldwell;Anesthesiology,1946
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5. Clerf, L. H.: “Esophagobronchial Fistula-Report of Two Cases,” Tr. Amer. Laryng., Rhin., Otol. Soc., pp. 35, 1943.