Decrease in risk of lung cancer death in males after smoking cessation by age at quitting: findings from the JACC study

Wakai K, Seki N, Tamakoshi A, Kondo T, Nishino Y, Ito Y, Suzuki K, Ozasa K, Watanabe Y, Ohno Y, JACC Study Group. Japan Collaborative Cohort Study. Decrease in risk of lung cancer death in males after smoking cessation by age at quitting: findings from the JACC study. Jpn J Cancer Res. 2001; 92(8): 821-8.