1. Cogwell, J. J., Easton, D. M.: Cor pulmonale in Pierre-Robin syndrome. Arch. Child.49, 905 (1974)
2. Luke, M. I., Dis. Mhrizi, A., Folger, J. M., Jr., et al.: Chronic nasopharyngeal obstruction as a cause of cardiomegaly, cor pulmonale and pulmonary edema. Pediatrics37, 762 (1966)
3. Menashe, V. E., Farrehi, C., Miller, M.: Hypoventilation and cor pulmonale due to chronic upper airway obstruction. J. Pediatr.67, 198 (1967)
4. Nielsen, E. L.: Pycnodysostosis. Acta Paediatr. Scand.63, 437 (1974)
5. Noonan, J. A.: Reversible cor pulmonale due to hypertrophy tonsils and adenoids studied in two cases (Abstract). Circulation32 [Suppl. II], 164 (1965)