Is Lung Cancer Now the Leading Cause of Death Among Smokers in the United States?
Smoking and Tobacco Control Program, Division of Cancer Prevention and Control, National Cancer Institute Bethesda, Md. American Cancer Society Atlanta, Ga. *Correspondence to: Donald R. Shopland. Smoking and Tobacco Control jProgram, Executive Plaza North, Rm. 241, National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892.