IMPLEMENTATION OF AN ANALYTICAL METHODOLOGY FOR THE DETECTION OF OXYTETRACYCLINE AND EPI-OXYTETRACYCLINE IN CHICKEN CLAWS BY LIQUID CHROMATOGRAPHY TANDEM MASS SPECTROMETRY.
Cornejo, J.; Araya, D.; Maddaleno, A.; Lapierre, L.; Araya, C.; Hidalgo, H.; San Martín, B.