TY  - JOUR 
T1  - Determination of benzene, toluene and N-hexane in urine and blood by headspace solid-phase microextration/gas-chromatography for the biomonitoring of occupational exposure
JO  - Journal of the Brazilian Chemical Society
A1  - Gomes, Paulo C. F. de Lima
A1  - D'Andrea, Éverton D.
A1  - Mendes, Camila B.
A1  - Siqueira, Maria Elisa P. B. de
SN  - 0103-5053
UL  - 10.1590/S0103-50532010000100018
VL  - 21 
Y1  - 2010
PB  - Brasil 
ER  -