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Comprehensive screening of anabolic steroids, corticosteroids, and acidic drugs in horse urine by solid-phase extraction and liquid chromatography-mass spectrometry.
Ho EN, Leung DK, Wan TS, Yu NH. Ho EN, et al. Among authors: yu nh. J Chromatogr A. 2006 Jul 7;1120(1-2):38-53. doi: 10.1016/j.chroma.2006.03.089. Epub 2006 May 2. J Chromatogr A. 2006. PMID: 16631183
Interconversion of ephedrine and pseudoephedrine during chemical derivatization.
Wong CH, Ho EN, Kwok WH, Leung DK, Leung GN, Tang FP, Wong AS, Wong JK, Yu NH, Wan TS. Wong CH, et al. Among authors: yu nh. Drug Test Anal. 2012 Dec;4(12):1028-33. doi: 10.1002/dta.1384. Epub 2012 Jun 26. Drug Test Anal. 2012. PMID: 22733708
Rapid screening of anabolic steroids in horse urine with ultra-high-performance liquid chromatography/tandem mass spectrometry after chemical derivatisation.
Wong CH, Leung DK, Tang FP, Wong JK, Yu NH, Wan TS. Wong CH, et al. Among authors: yu nh. J Chromatogr A. 2012 Apr 6;1232:257-65. doi: 10.1016/j.chroma.2011.12.095. Epub 2012 Jan 10. J Chromatogr A. 2012. PMID: 22265177
Doping control analysis of recombinant human erythropoietin, darbepoetin alfa and methoxy polyethylene glycol-epoetin beta in equine plasma by nano-liquid chromatography-tandem mass spectrometry.
Yu NH, Ho EN, Wan TS, Wong AS. Yu NH, et al. Anal Bioanal Chem. 2010 Apr;396(7):2513-21. doi: 10.1007/s00216-010-3455-8. Epub 2010 Feb 11. Anal Bioanal Chem. 2010. PMID: 20148243
Comprehensive screening of acidic and neutral drugs in equine plasma by liquid chromatography-tandem mass spectrometry.
Yu NH, Ho EN, Tang FP, Wan TS, Wong AS. Yu NH, et al. J Chromatogr A. 2008 May 2;1189(1-2):426-34. doi: 10.1016/j.chroma.2007.11.022. Epub 2007 Nov 17. J Chromatogr A. 2008. PMID: 18054785
A bottom-up approach in estimating the measurement uncertainty and other important considerations for quantitative analyses in drug testing for horses.
Leung GN, Ho EN, Kwok WH, Leung DK, Tang FP, Wan TS, Wong AS, Wong CH, Wong JK, Yu NH. Leung GN, et al. Among authors: yu nh. J Chromatogr A. 2007 Sep 7;1163(1-2):237-46. doi: 10.1016/j.chroma.2007.06.035. Epub 2007 Jun 27. J Chromatogr A. 2007. PMID: 17628571
Screening of anabolic steroids in horse urine by liquid chromatography-tandem mass spectrometry.
Yu NH, Ho EN, Leung DK, Wan TS. Yu NH, et al. J Pharm Biomed Anal. 2005 Apr 29;37(5):1031-8. doi: 10.1016/j.jpba.2004.08.041. J Pharm Biomed Anal. 2005. PMID: 15862683
High-throughput screening of corticosteroids and basic drugs in horse urine by liquid chromatography-tandem mass spectrometry.
Leung GN, Chung EW, Ho EN, Kwok WH, Leung DK, Tang FP, Wan TS, Yu NH. Leung GN, et al. Among authors: yu nh. J Chromatogr B Analyt Technol Biomed Life Sci. 2005 Oct 15;825(1):47-56. doi: 10.1016/j.jchromb.2004.12.039. Epub 2005 Jan 26. J Chromatogr B Analyt Technol Biomed Life Sci. 2005. PMID: 16154522
Validation of digital tourniquet pressures: An experimental comparison of T-RingTM and conventional surgical glove in human volunteers.
Kim H, Joo YH, Yu NH, Kwon ST, Lee JC, Kim BJ. Kim H, et al. Among authors: yu nh. Medicine (Baltimore). 2020 Nov 20;99(47):e23149. doi: 10.1097/MD.0000000000023149. Medicine (Baltimore). 2020. PMID: 33217821 Free PMC article.
Clinical analysis and review of literature on pilomatrixoma in pediatric patients.
Hu JL, Yoo H, Kwon ST, Kim S, Chung JH, Kim H, Kim J, Yu NH, Kim BJ. Hu JL, et al. Among authors: yu nh. Arch Craniofac Surg. 2020 Oct;21(5):288-293. doi: 10.7181/acfs.2020.00528. Epub 2020 Oct 20. Arch Craniofac Surg. 2020. PMID: 33143396 Free PMC article.
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