TY - Front. Agric. China A1 - Ran SUO, Weijuan AN, Na LI T1 - Determination of ultratrace cadmium in food and environmental samples by ETAAS after vapor generation and in situ preconcentration Y1 - 2009-09-05 JF - Frontiers of Agriculture in China JO - Front. Agric. China SP - 294 EP - 299 VL - 3 IS - 3 UR - https://academic.hep.com.cn/fag N1 - 10.1007/s11703-009-0051-9 ER -