Lois Biener, Jeffrey E. Harris, William Hamilton, Impact of the Massachusetts tobacco control program: population based trend analysis. British Medical Journal 2000; 321: 351-354 (5 August). HTML PDF

Figure 1: Annual per capita cigarette sales (based on tax receipts for wholesale deliveries) in Massachusetts and in remaining 48 US states (excluding California) Detail (1280 × 877 pixels; 132kB)

Figure 2: Trends in adult smoking prevalence in Massachusetts and remaining 48 states (excluding California) Detail (1280 × 993 pixels; 189kB) Data (text file)