A screening method for beta-lactams in tissues hydrolyzed with penicillinase Iand lactamase II. | J AOAC Int | 1998 Sep-Oct | 9772738 |
Determination of cephapirin and ceftiofur residues in bovine milk by liquidchromatography with ultraviolet detection. | J AOAC Int | 1998 Sep-Oct | 9772739 |
Assay for cephapirin and ampicillin in raw milk by high-performance liquidchromatography--integrated pulsed amperometric detection. | Anal Chem | 1998 Jun 1 | 9624911 |
Electrospray ionization and tandem ion trap mass spectrometry for theconfirmation of seven beta-lactam antibiotics in bovine milk. | Rapid Commun Mass Spectrom | 1998 | 10036784 |
Modified microbiological method for the screening of antibiotics in milk. | J Dairy Sci | 1995 May | 7622714 |
Identification and measurement of beta-lactam antibiotic residues in milk:integration of screening kits with liquid chromatography. | J AOAC Int | 1995 Jul-Aug | 7580339 |
Liquid chromatographic determination of beta-lactam antibiotics in milk: amultiresidue approach. | J AOAC Int | 1995 Jan-Feb | 7703727 |
Simultaneous multiresidue analysis of beta-lactam antibiotics in bovine milk byliquid chromatography with ultraviolet detection and confirmation by electrospraymass spectrometry. | J AOAC Int | 1994 Sep-Oct | 7950414 |
Determination of beta-lactam residues in milk using perfusive-particle liquidchromatography combined with ultrasonic nebulization electrospray massspectrometry. | Anal Chem | 1994 Nov 1 | 7802255 |
Effect of selected antibiotics on Staphylococcus aureus present in milk frominfected mammary glands. | Zentralbl Veterinarmed B | 1993 Sep | 8284965 |