Thyroid nodules, polymorphic variants in DNA repair and Ret-related genes, interaction with ionizing radiation exposure from nuclear tests in Kazakhstan - Bhatti, Parveen.; Bouville, Andre.; Brenner, Alina.; Carr, Zhanat..; Gusev, Boris I.; Land, Charles E.; Pineda, Marbin.; Ron, Elaine; Rutter, Joni L.; Sigurdson, Alice J.; Simon, Steven L.; Struewing, Jeffery P.; et al.