1. Application of Transgenic and Gene-Targeted Mice to Dissect Mechanisms of Lung Disease.- Emphysema.- 2. Models of Genetic Emphysema: The C57B1/6J Mice and their Mutants: Tight-Skin, Pallid and Beige Giuseppe Lungarella, Eleonora Cavarra and.- 3. ?1-Antitrypsin Deficiency.- 4. Recombinant SLPI: Emphysema and Asthma.- 5. Elastase Inhibitors in the Lung: Expression and Functional Relationships.- 6. Regulation of Neutrophil Proteinases.- 7. Control of Connective Tissue Genes.- Infection.- 8. Genetic Models of Bacterial Lung Infection.- 9. Genetics of Bacteria: Role in Pathogenesis of Infection of the Respiratory Tract.- 10. Polymerase Chain Reaction in the Diagnosis of Respiratory Tract Infections.- 11. Cystic Fibrosis.- 12. Respiratory Bacterial Infections in Patients with Cystic Fibrosis: Pathogenicity and Implications for Serine Proteinase Inhibitor Therapy.