TY - CPAPER AU - Ozyaral, Oguz AU - Kalmuk, Gulhan AU - Kaya, Ertugrul TI - USE OF RADIOACTIVE SUBSTANCES AT HOSPITALS AND THE ENVIRONMENTAL EFFECTS THEREOF T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION PY - 2013 SP - 1121 EP - 1130 pp DO - 10.5593/sgem2013/be5.v1/s20.147 PB - Stef92 Technology ER -