Guo, Liang <br/><br/>
Development and validation of a liquid chromatographic / tandem mass spectrometric method for determination of chlortetracycline, oxytetracycline, tetracycline, and doxycycline in animal feeds / 
Liang Guo ...[et al.] 
<br/><br/> YA2013 M03 
<br/><br/><label>Source: </label>Journal of AOAC International 95 (4) 2012 : 1010-1015 1060-3271