Development of Multiclass Methods for Drug Residues in Eggs:  Hydrophilic Solid-Phase Extraction Cleanup and Liquid Chromatography/Tandem Mass Spectrometry Analysis of Tetracycline... von Heller, David N, Nochetto, Cristina B, Rummel, Nathan G, Thomas, Michael H

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Mass spectral analysis of complex lipids desorbed directly from lyophilized membranes and cells von Heller, D.N., Fenselau, C., Cotter, R.J., Demirev, P., Olthoff, J.K., Honovich, J., Uy, M., Tanaka, T., Kishimoto, Y.

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Peer validation of a method to confirm chloramphenicol in honey by liquid chromatography-tandem mass spectrometry von Quon, D, Carson, M.C, Nochetto, C, Heller, D.N, Butterworth, F

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Determination of pirlimycin residue in milk by liquid chromatographic analysis of the 9-fluorenylmethyl chloroformate derivative von Heller, D.N

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Determination and confirmation of pirlimycin residue in bovine milk and liver by liquid chromatography/thermospray mass spectrometry: interlaboratory study von Heller, D.N. (U.S. Food and Drug Administration, Beltsville, MD.)

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