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2. Health consequences of smoking: 1969 Supplement to the 1967;Public Health Service,1969
3. Epidemiology of smoking related diseases which physicians encounter in their office practice;Schuman;Dis Chest,1968
4. Expenditures and prices for dental and other health care, 1935–1968;American Dental Association Bureau of Economic Research and Statistics;JADA,1969
5. The modification of smoking behavior: an evaluative review;Bernstein;Psychol Bull,1969