1. Bruce, M. C., Poncz, L., Klinger, J. D., Stern, R. C., Tomashefski, J. F., Dearborn, D. G. Biochemical and pathologic evidence for proteolytic destruction of lung connective tissue in cystic fibrosis. Am. Rev. Respir. Dis. 132 (1985) 529–536.
2. Matthews, L. R. W., Doershuk, C. F., Wise, M., Eddy, G., Nudelman, H., Spector, S. A therapeutic regimen for patients with cystic fibrosis. J. Pediatr. 65 (1964) 558–575.
3. Wood, R. E., Boat, T. F., Doershuk, C. F. Cystic Fibrosis. Am. Rev. Respir. Dis. 113 (1976) 833–878.
4. Gaskell, D. V., Webber, B. A. (eds.): The Brompton Hospital Guide to Chest Physiotherapy. 4th ed. Blackwell Scientific Publications, Oxford 1980, pp. 13–30.
5. Desmond, K. J., Schwenk, W. F., Thomas, E., Beaudry, P. H., Coates, A. L. Immediate and long-term effects of chest physiotherapy in patients with cystic fibrosis. J. Pediatr. 103 (1983) 538–542.