1. Congenital absence of the trachea;Payne;Brooklyn Med J,1900
2. Tracheal agenesis associated with tracheoesophageal fistula;Denenis;J Thorac Cardiovasc Surg,1957
3. Agenesis of the trachea;Floyd;Rev Respir Dis,1962
4. Tracheal agenesis;Joshi;Am J Dis Child,1969
5. Tracheal agenesis;Effmann;AJR Am J Roentgenol,1975