1. National Research Council, Committee on Biological Effects of Ionizing Radiation.Health Risks of Radon and Other Internally Deposited Alpha-emitters, BEIR IV. Washington DC, USA: National Academy Press, 1988.
2. Lubin JH, Boice JD Jr. Estimating Rn-induced lung cancer in the United States.Health Phys 1989;57: 417–27.
3. Puskin JS, Nelson CB. EPA's perspective on risks from residential radon exposure.J Am Air Poll Control Assoc 1989;39: 915–20.
4. National Research Council, Board on Radiation Effects Research.Comparative Dosimetry of Radon in Mines and Homes. Washington DC, USA: National Academy Press, 1991.
5. Samet JM, Radon and lung cancer.JNCI 1989;81: 745–57.