1. Duplications of the alimentary tract;Rickham,1969
2. Agenesis of the lung;Valle;Am J Surg,1955
3. Die Missbildungen der Atmungsorgane;Schneider,1900
4. Agenesis of lung in an infant;Olcott;Am J Dis Child,1943
5. Congenital absence of the lung (agenesis) and other anomalies of the tracheobronchial tree;Ferguson;Am J Roentgenol,1944