TY - JOUR T1 - Characterization of ceramic seeds with samarium-153 for use in brachytherapy JO - Materials Research A1 - Valente, Eduardo Sarmento A1 - Cuperschmid, Ethel Mizrahy A1 - Campos, TarcĂ­sio Passos Ribeiro de SN - 1516-1439 UL - 10.1590/S1516-14392011005000006 VL - 14 Y1 - 2011 PB - Brasil ER -