Figure 1From: Genetic test to stop smoking (GeTSS) trial protocol: randomised controlled trial of a genetic test (Respiragene) and Auckland formula to assess lung cancer risk Research that established the respiragene test. Distribution of the Respiragene score in a cross-sectional study of 484 control smokers (blue) and 446 with lung cancer (red) (Total = 930) and from the prospective study of 52 lung cancer cases (green). Reference [8].Back to article page