TY  - JOUR 
T1  - Determination of polychlorinated biphenyls in brazilian breast milk samples using solid-phase microextraction and gas chromatography-electron capture detection
JO  - Journal of the Brazilian Chemical Society
A1  - Kowalski, Cláudia H.
A1  - Costa, Josemar G.
A1  - Godoy, Helena T.
A1  - Augusto, Fabio
SN  - 0103-5053
UL  - 10.1590/S0103-50532010000300016
VL  - 21 
Y1  - 2010
PB  - Brasil 
ER  -