Lozano, Ana <br/><br/>
Pesticide analysis in teas and chamomile by liquid chromatography and gas chromatography tandem mass spectrometry using a modified QuEChERS method :  validation and pilot survey in real samples / 
Ana Lozano ...[et al.] 
<br/><br/> YA2013 M04 
<br/><br/><label>Source: </label>Journal of Chromatography A 1268 (December) 2012 : 109-122 0021-9673