Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 37 checked references that resolve
resolves10.1289/ehp.99107s6907Pharmaceuticals and personal care products in the environment: agents of subtle change?
resolves10.1016/j.chroma.2004.10.110Liquid chromatography–tandem mass spectrometry for the analysis of pharmaceutical residues in environmental samples: a review
resolves10.1016/S0021-9673(98)00335-5Determination of antibiotics in different water compartments via liquid chromatography–electrospray tandem mass spectrometry
resolves10.1007/s00216-006-0444-zDetermination of antimicrobial residues and metabolites in the aquatic environment by liquid chromatography tandem mass spectrometry
resolves10.1016/j.chroma.2005.02.037Analytical strategies for residue analysis of veterinary drugs and growth-promoting agents in food-producing animals—a review
resolves10.1007/s00216-006-0586-zMulti-residue analytical methods using LC-tandem MS for the determination of pharmaceuticals in environmental and wastewater samples: a review
resolves10.1007/s00216-008-1854-xMultiresidue methods for the analysis of pharmaceuticals, personal care products and illicit drugs in surface water and wastewater by solid-phase extraction and ultra performance liquid chromatography–electrospray tandem mass spectrometry
resolves10.1021/ac0715672Application of Liquid Chromatography/Quadrupole-Linear Ion Trap Mass Spectrometry and Time-of-Flight Mass Spectrometry to the Determination of Pharmaceuticals and Related Contaminants in Wastewater
resolves10.1016/j.trac.2007.10.002Advanced mass spectrometric methods applied to the study of fate and removal of pharmaceuticals in wastewater treatment
resolves10.1002/jms.659Triple quadrupole linear ion trap mass spectrometer for the analysis of small molecules and macromolecules
resolves10.1002/rcm.1020Product ion scanning using a Q‐q‐Q
<sub>linear ion trap</sub>
(Q TRAP
<sup>TM</sup>
) mass spectrometer
resolves10.1002/rcm.3443Identification and trace level determination of brominated flame retardants by liquid chromatography/quadrupole linear ion trap mass spectrometry
resolves10.1016/j.chroma.2007.10.052Trace level determination of β-blockers in waste waters by highly selective molecularly imprinted polymers extraction followed by liquid chromatography–quadrupole-linear ion trap mass spectrometry
resolves10.1021/ac702060jFully Automated Determination in the Low Nanogram per Liter Level of Different Classes of Drugs of Abuse in Sewage Water by On-Line Solid-Phase Extraction-Liquid Chromatography−Electrospray-Tandem Mass Spectrometry
resolves10.1002/rcm.2554Novel applications of highly sensitive liquid chromatography/mass spectrometry/mass spectrometry for the direct detection of ultra‐trace levels of contaminants in water
resolves10.1021/ac0015265Trace Determination of Fluoroquinolone Antibacterial Agents in Urban Wastewater by Solid-Phase Extraction and Liquid Chromatography with Fluorescence Detection
resolves10.1021/ac0494127Identification of a Photooxygenation Product of Chlortetracycline in Hog Lagoons Using LC/ESI-Ion Trap-MS and LC/ESI-Time-of-Flight-MS
resolves10.1016/j.talanta.2006.05.024Development of a multi-residue analytical methodology based on liquid chromatography–tandem mass spectrometry (LC–MS/MS) for screening and trace level determination of pharmaceuticals in surface and wastewaters
resolves10.1016/j.chroma.2005.08.027Simultaneous extraction and analysis of 11 tetracycline and sulfonamide antibiotics in influent and effluent domestic wastewater by solid-phase extraction and liquid chromatography-electrospray ionization tandem mass spectrometry
resolves10.1002/rcm.1598Quantitative determination of trace concentrations of tetracycline and sulfonamide antibiotics in surface water using solid‐phase extraction and liquid chromatography/ion trap tandem mass spectrometry
resolves10.1016/S0021-9673(01)01139-6Analysis of oxytetracycline, tetracycline, and chlortetracycline in water using solid-phase extraction and liquid chromatography–tandem mass spectrometry
resolves10.1016/j.envpol.2005.10.010Evaluating the vulnerability of surface waters to antibiotic contamination from varying wastewater treatment plant discharges
resolves10.1002/rcm.2991Determination of tetracycline antibiotics in cow's milk by liquid chromatography/tandem mass spectrometry
resolves10.1016/S0021-9673(04)01479-7The ECHO technique – the more effective way of data evaluation in liquid chromatography–tandem mass spectrometry analysis
resolves10.1016/j.chroma.2003.12.022Countering matrix effects in environmental liquid chromatography–electrospray ionization tandem mass spectrometry water analysis for endocrine disrupting chemicals
resolves10.1016/j.chroma.2004.11.101Operational options to reduce matrix effects in liquid chromatography–electrospray ionisation-mass spectrometry analysis of aqueous environmental samples
resolves10.1016/j.chroma.2006.05.013Tackling matrix effects during development of a liquid chromatographic–electrospray ionisation tandem mass spectrometric analysis of nine basic pharmaceuticals in aqueous environmental samples
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