zhumenjun1984 2008/12/14
ok [img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=123995]Detection, confirmation, and quantification of staphylococcal enterotoxin B in food matrixes using liquid chromatography--mass spectrometry[/url]