1. Shwachman, H.: Cystic fibrosis. In Disorders of the Respiratory Tract in Children , E. L. Ken-dig, ed. Philadelphia, W. B. Saunders Co., 1967, p. 541.
2. Common Pulmonary Complications of Cystic Fibrosis
3. Pathogenesis and Physiopathology of Cystic Fibrosis of the Pancreas
4. Lobeck, C.C.: Cystic fibrosis of the pancreas. In The Metabolic Basis of Inherited Disease, J. B. Stanbury et al., eds. New York, McGraw-Hill Book Co., 1966, p. 1300.
5. Shwachman, H. and Khaw, K.T.: Cystic fibrosis. In Current Pediatric Therapy, 4th ed. S. S. Gellis and B. M. Kagan, eds. Philadelphia , W. B. Saunders Co., 1970, p. 370.