Bibliography
- Fletcher C, Peto R. The natural history of chronic airflow obstruction. Br Med J 1977: 1(6077): 1645–8
- Jacobs MH, Senior RM, Kessler G. Clinical experience with theophylline: relationships between dosage, serum concentration and toxicity. JAMA 1977: 238: 139–41
- Mendella LA, Manfredl J, Warren CP, et al. Steroid response In stable chronic obstructive pulmonary disease. Ann Intern Med 1982: 96(1): 17–21
- Paterson JW, Woolcock AJ, Shenfield GM. Bronchodilator drugs. Am Rev Respir Dis 1979: 120(5): 1149–88
- Russell MA, Wilson C, Taylor C, et al Effect of general practitioner's advice against smoking. Br Med J 1979: 2(6184): 231–5
- Smoking and health—a report of the Surgeon General. Washington, DC: US Dept of Health and Human Services. 1979: publication No. (PHS) 79–50066