1. The natural history of chronic bronchitis and emphysema;Fletcher,1976
2. The host factor in bronchiolitis;Orie,1961
3. Airways responsiveness and chronic airway obstruction;Fanta;Med Clin N Am,1981
4. Airway reactivity: role in acute and chronic disease;Fish;Current Pulmonology,1984
5. Response to isoproterenol in a general population sample;Lorber;Am Rev Respir Dis,1978