Smoking and low antioxidant levels increase oxidative damage to sperm DNA

Fraga, C. G., Motchnik, P. A., Wyrobek, A. J., Rempel, D. M., & Ames, B. N. (1996). Smoking and low antioxidant levels increase oxidative damage to sperm DNA. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis, 351(2), 199-203.