Sheen, S., Lee, K. S., Chung, W. Y., Nam, S., & Kang, D. R. (2016). An updated review of case–control studies of lung cancer and indoor radon-Is indoor radon the risk factor for lung cancer? Ann Occup Environ Med.

Sheen, Seungsoo, Keu Sung Lee, Wou Young Chung, Saeil Nam, und Dae Ryong Kang. "An Updated Review of Case–control Studies of Lung Cancer and Indoor Radon-Is Indoor Radon the Risk Factor for Lung Cancer?" Ann Occup Environ Med 2016.

Sheen, Seungsoo, et al. "An Updated Review of Case–control Studies of Lung Cancer and Indoor Radon-Is Indoor Radon the Risk Factor for Lung Cancer?" Ann Occup Environ Med 2016.