Determination of 226Ra in urine samples by Q-ICP-MS: A method for routine analyses Cozzella, Maria Letizia ; Leila, Andreocci ; Hernandez, Rita Sibello Abstract Publication: Radiation Measurements Pub Date: January 2011 DOI: 10.1016/j.radmeas.2010.07.026 Bibcode: 2011RadM...46..109C