1. Adams, E. E., & Brues, A. M. (1980). Breast cancer in female radium dial workers first employed before 1930. Journal of Occupational Medicine, 22(9), 583–587.
2. Agency for Toxic Substances & Disease Registry. (1990, October). Public health statement for thorium. Atlanta, GA: Centers for Disease Control and Prevention (page last updated: March 3, 2011).
3. Al-Zoughool, M., & Krewski, D. (2009). Health effects of radon: A review of the literature. International Journal of Radiation Biology, 85(1), 57–69.
4. Anonymous. (2007, June 4). Lymphoma drug Bexxar effective over long term, Study finds. Science Daily.
http://www.sciencedaily.com/releases/2007/06/070604155824.htm
5. Asakage, T., Yokoyama, A., Haneda, T., Yamazaki, M., Muto, M., Yokoyam, T., et al. (2007). Genetic polymorphisms of alcohol and aldehyde dehydrogenases, and drinking, smoking and diet in Japanese mean with oral and pharyngeal squamous cell carcinoma. Carcinogenesis, 28(4), 865–874.