1. Upton AC, Albert RE, Burns FJ, et al. Radiation Carcinogenesis. New York, NY: Elsevier; 1986.
2. Merriam GR Jr., Focht EF. Radiation dose to the lens in treatment of tumors of the eye and adjacent structures. Am J Roentgenol. 1958; 71: 357–360.
3. Kopf AW, Grisewood EN, Bart RS, Petratos M, Wingate C. X irradiation of ocular tissues measured by thermoluminescence dosimetry. J Invest Dermatol. 1967; 49: 512–516.
4. 1. UNSCEAR (1977), United Nations Scientific Committee on the Effects of Atomic Radiation. 1977 Report to the General Assembly
5. 2. Sources and Effects of Ionizing Radiation, UN E77.IX.1. United Nations, New York, 1972.