A Comparative Study on LC-MS/MS Determination of Sulfonamide Residues in Hen,s Eggs Based on Different Sample Pretreatments
　ZHONGZi-qing，HUANGZhuo-huan，LAIWei-hua
FOOD SCIENCE . 2012, (6): 154 -158 .  DOI: 10.7506/spkx1002-6630-201206033