1. Jett JR, Cortese DA, Fonatana RS. Lung cancer: current concepts. CA 1983; 33: 74–86.
2. Lung cancer and asbestos related pulmonary disease. A national correspondence course. Park Ridge: American College of Chest Physicians, 1981.
3. Silverberg E, Lubera J. Cancer statistics, 1987. CA 1987; 37: 2–19.
4. Bone RC, Balk R. Staging of bronchogenic carcinoma. Chest 1982; 82: 473–480.
5. Robbins SL. The respiratory system. In: Pathologic basis of disease. Philadelphia: Saunders, 1974: 833–840.