1. Bardana C. J., Andrasch R. H.: Reviewing brochial asthma and its pharmacotherapy. Geriatrics 38: 73–95, 1983.
2. Committee on Immunization: Guide For Adult Immunization. Philadelphia, American College of Physicians, 1985, pp 9–13.
3. Fulmer J. D., Snider G. L.: American College of Chest Physicians (ACCP). National Heart, Lung, and Blood Institute (NHLBI). Conference on Oxygen Therapy. Arch Intern Med 144: 1645–1655, 1984.
4. Krumpe P. E., Knudson R. J., Parsons G., et al: The aging respiratory system, in Geokas M. C. (guest ed.): Clinics in Geriatric Medicine, (vol 1, no. 1). Philadelphia, W B Saunders, 1985, pp 145–175.
5. Mahler D. A.: Pulmonary aspects of aging, in Gambert S. R. (ed): Contemporary Geriatric Medicine (vol 1). New York, Plenum Press, 1983, pp 45–85.