1. American Cancer Society: 1998 Cancer Facts and Figures. Atlanta: American Cancer Society, 1998.
2. World Health Organization. Histological typing of lung tumors. International Histological Classification of Tumors, No. 1. Geneva: World Health Organization, 1981.
3. Cotran RS. The respiratory system: lung. In: Cotran RS, Kumar V, Robbins SL, eds. Robbins Pathologic Basis of Disease. Philadelphia: Saunders, 1989;755-810.
4. Melamed MR, Flehinger BJ, Zaman MB. Impact of early detection on the clinical course of lung cancer. Surg Clin North Am 1987;67:909.
5. American Thoracic Society ERS. Pretreatment evaluation of non-small cell-lung cancer. Am J Respir Crit Care Med 1997;156: 320–332.