Determination of methotrexate in serum by high-performance liquid chromatographyABOLENEEN, H; SIMPSON, J; BACKES, D et al.Journal of chromatography. B, Biomedical applications. 1996, Vol 681, Num 2, pp 317-322Article

Characterization of labeled oligonucleotides using enzymatic digestion and tandem mass spectrometryHUAIQIN WU; MORGAN, R. L; ABOLENEEN, H et al.Journal of the American Society for Mass Spectrometry. 1998, Vol 9, Num 7, pp 660-667, issn 1044-0305Article

A specific method for the measurement of cyclosporin A in human whole blood by liquid chromatography-tandem mass spectrometrySIMPSON, J; QINGLING ZHANG; OZAETA, P et al.Therapeutic drug monitoring. 1998, Vol 20, Num 3, pp 294-300, issn 0163-4356Article

A specific method for the measurement of tacrolimus in human whole blood by liquid chromatography/tandem mass spectrometryZHANG, Q; SIMPSON, J; ABOLENEEN, H. I et al.Therapeutic drug monitoring. 1997, Vol 19, Num 4, pp 470-476, issn 0163-4356Article

Quantitation of vancomycin and its crystalline degradation product (CDP-1) in human serum by high performance liquid chromatographyBACKES, D. W; ABOLENEEN, H. I; SIMPSON, J. A et al.Journal of pharmaceutical and biomedical analysis. 1998, Vol 16, Num 8, pp 1281-1287, issn 0731-7085Article

MALDI-TOFMS of chemically modified recombinant hepatitis B surface antigenWINKLER, M. A; NAXING XU; HUAIQIN WU et al.Analytical chemistry (Washington, DC). 1999, Vol 71, Num 19, pp 664A-667A, issn 0003-2700Article

Modified pentamer formation assay for measurement of tacrolimus and its active metabolites : comparison with liquid chromatography-tandem mass spectrometry and microparticle enzyme-linked immunoassay (MEIA-II)ARMSTRONG, V. W; SCHUETZ, E; QINGLING ZHANG et al.Clinical chemistry (Baltimore, Md.). 1998, Vol 44, Num 12, pp 2516-2523, issn 0009-9147Article