TY - JOUR T1 - Simultaneous Determination of Four Antibiotics in Raw Milk by UPLC-MS/MS Using Protein Precipitation as Sample Preparation: Development, Validation, and Application in Real Samples JO - Journal of the Brazilian Chemical Society A1 - Magon, Thiago A1 - Silveira, Roberta da A1 - Galuch, MarĂ­lia B. A1 - Fagan, Eder Paulo A1 - Feitoza, Ana Flavia D. A1 - Palombini, Sylvio V. A1 - Santos, Oscar O. A1 - Visentainer, Jesui V. SN - 0103-5053 UL - 10.21577/0103-5053.20180121 VL - 29 Y1 - 2018 PB - Brasil ER -