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Journal of Analytical Toxicology|January 1, 1997
Improved CEDIA benzodiazepine assay eliminates sertraline crossreactivityR L Fitzgerald, D A HeroldClinical Chemistry|May 1, 1996
Serum total testosterone: immunoassay compared with negative chemical ionization gas chromatography-mass spectrometryR L Fitzgerald, D A HeroldAmerican Journal of Clinical Pathology|September 1, 1996
Comparison of troponin-T with other cardiac markers in a VA hospitalR L Fitzgerald, W L Frankel, D A HeroldJournal of Analytical Toxicology|October 1, 1993
Benzodiazepine analysis by negative chemical ionization gas chromatography/mass spectrometryR L Fitzgerald, D A Rexin, D A HeroldClinical Chemistry|August 3, 1999
Broad spectrum drug identification directly from urine, using liquid chromatography-tandem mass spectrometryR L Fitzgerald, J D Rivera, D A HeroldClinical Chemistry|March 1, 1994
Detecting benzodiazepines: immunoassays compared with negative chemical ionization gas chromatography/mass spectrometryR L Fitzgerald, D A Rexin, D A HeroldCritical Reviews in Clinical Laboratory Sciences|April 1, 1996
Current techniques in mycobacterial detection and speciationC D Herold, R L Fitzgerald, D A HeroldAmerican Journal of Clinical Pathology|March 1, 1997
Comparison of assay methods for benzodiazepines in urine. A receptor assay, two immunoassays, and gas chromatography-mass spectrometryT Nishikawa, H Ohtani, D A Herold, et al.Critical Reviews in Clinical Laboratory Sciences|January 1, 1994
Mass spectrometry of trace elements in biological samplesS K Aggarwal, M Kinter, R L Fitzgerald, et al.Clinical Chemistry|February 1, 1996
Determination of blood lead by electron-capture negative chemical ionization gas chromatography-mass spectrometryG S Baird, R L Fitzgerald, S K Aggarwal, et al.Pageof 16