@article{articled8e931f8,
title   = {Cobalt as internal standard for arsenic and selenium determination in urine by simultaneous atomic absorption spectrometry},
author = {Correia, Paulo Rogério Miranda and Oliveira, Pedro Vitoriano de},
year = {2005},
doi = {10.1016/j.talanta.2005.02.002},
journal   = {Talanta}
}