1. Diseases of the respiratory system: bronchiectasis and cystic fibrosis;Hodson;BrMed J,1978
2. Pulmonary physiology;Levison,1983
3. Serial changes in pulmonary function in children hospitalised with cystic fibrosis;Redding;AmRev Respir Dis,1982
4. Cystic fibrosis in adolescents and adults;Penketh;Thorax,1987
5. Analysis of serial measurements in medical research;Mathews;BrMed J,1990