RT Journal T1 Determination of polychlorinated biphenyls by GC/MS with ultrasound-assisted extraction from shellfish A1 Qunbiao ZHOU, Yaxin SANG, Li WANG, Shuangshang JI, Jing YE, Xianghong WANG PB Front. Agric. China FD 2010-12-05 YR 2010 JF Frontiers of Agriculture in China JO Front. Agric. China VO 4 IS 4 SP 489 DO 10.1007/s11703-010-1032-8 K1 ultrasound-assisted extraction;GC/MS;shellfish;PCBs (polychlorinated biphenyls) LK {https://academic.hep.com.cn/fag/EN/article/article_1117.shtml}