| 2001-01 | Biochemical roles of testosterone and epitestosterone to 5 alpha-reductase as indicators of male-pattern baldness | Choi, MH; Yoo, YS; Chung, BC |
| 2005-06 | Characterization of testosterone 11 beta-hydroxylation catalyzed by human liver microsomal cytochromes P450 | Choi, MH; Skipper, PL; Wishnok, JS; Tannenbaum, SR |
| 2005-09 | Comparative plasma proteome analysis of lymphoma-bearing SJL mice | Bhat, VB; Choi, MH; Wishnok, JS; Tannenbaum, SR |
| 1999-01 | Detection of anabolic steroids by GC/SIM/MS with trifluoroacetylation in equine plasma and urine | Choi, MH; Kim, JY; Chung, BC |
| 1999-01 | Determination of anabolic steroids by gas chromatography negative-ion chemical ionization mass spectrometry and gas chromatography negative-ion chemical ionization tandem mass spectrometry with heptafluorobutyric anhydride derivatization | Choi, MH; Chung, BC; Lee, W; Lee, UC; Kim, Y |
| 2000-04 | Determination of estrone and 17 beta-estradiol in human hair by gas chromatography-mass spectrometry | Choi, MH; Kim, KR; Chung, BC |
| 1998-01 | Determination of four anabolic steroid metabolites by gas chromatography mass spectrometry with negative ion chemical ionization and tandem mass spectrometry | Choi, MH; Chung, BC; Kim, M; Choi, J; Kim, Y |
| 2000-11-03 | Determination of hair polyamines as N-ethoxycarbonyl-N-pentafluoropropionyl derivatives by gas chromatography-mass spectrometry | Choi, MH; Kim, KR; Chung, BC |
| 2002-12 | Determination of non-steroidal estrogens in breast milk, plasma, urine and hair by gas chromatography/mass spectrometry | Choi, MH; Kim, KR; Hong, JK; Park, SJ; Chung, BC |
| 1999-05 | Determination of testosterone : epitestosterone ratio after pentafluorophenyldimethylsilyl-trimethyls derivatisation using gas chromatography-mass spectrometry in equine urine | Choi, MH; Kim, JY; Chung, BC |
| 2000-01-15 | Diagnostic fragmentation of saturated and unsaturated fatty acids by gas chromatography-mass spectrometry with pentafluorophenyldimethylsilyl derivatization | Choi, MH; Chung, BC |
| 2003-06 | Direct determination of estriol 3-and 16-glucuronides in pregnancy urine by column-switching liquid chromatography with electrospray tandem mass spectrometry | Yang, YJ; Lee, J; Choi, MH; Chung, BC |
| 1998-02-20 | Gas chromatographic mass spectrometric characterization of dromostanolone metabolites in human urine | Kim, T; Choi, MH; Jung, BH; Chung, BC |
| 2000-05-26 | Gas chromatographic-mass spectrometric determination of plasma saturated fatty acids using pentafluorophenyldimethylsilyl derivatization | Yang, YJ; Choi, MH; Paik, MJ; Yoon, HR; Chung, BC |
| 2001-04 | GC-MS characterization of urinary metabolites and changes of ethisterone and testosterone profile after oral administration of danazol in equine | Kim, JY; Choi, MH; Kim, SJ; Kyong, JB; Chung, BC |
| 1999-09 | GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl-trimethylsilyl derivatisation | Choi, MH; Chung, BC |
| 1999-01 | Identification of urinary metabolites of clemastine after oral administration to man | Choi, MH; Jung, BH; Chung, BC |
| 2001-07 | Increased hair polyamine levels in patients with Alzheimer's disease | Choi, MH; Kim, KR; Kim, IS; Lho, DS; Chung, BC |
| 2001-01 | Increased polyamine concentrations in the hair of cancer patients | Choi, MH; Kim, KR; Kim, YT; Chung, BC |
| 2000-01 | Measurement of 19-nortestosterone and its esters in equine plasma by high-performance liquid chromatography with tandem mass spectrometry | Kim, JY; Choi, MH; Kim, SJ; Chung, BC |
| 2002-06 | Measurement of corticoids in the patients with clinical features indicative of mineralocorticold excess | Choi, MH; Hahm, JR; Jung, BH; Chung, BC |
| 2001-04-25 | Measurement of testosterone and pregnenolone in nails using gas chromatography-mass spectrometry | Choi, MH; Yoo, YS; Chung, BC |
| 2001-02 | N-Isobutyloxycarbonylation for improved detection of 3 '-hydroxystanozolol and its 17-epimer in doping control | Choi, MH; Chung, BC |
| 2000-01 | Pharmacokinetics and urinary excretion of DW116, a new fluoroquinolone antibacterial agent, in humans as a phase I study | Jung, BH; Choi, MH; Chung, BC |
| 1999-01 | Rapid and sensitive analysis of diclofenac in human plasma by GC/SIM/MS | Choi, MH; Choi, YK; Chung, BC |
| 2001-12 | Rapid and sensitive analysis of medroxyprogesterone acetate in human serum by gas chromatography-mass spectrometry | Choi, MH; Kim, KR; Kim, DH; Chung, BC |
| 2002-04-05 | Rapid and sensitive determination of sertraline in human plasma using gas chromatography-mass spectrometry | Kim, KM; Jung, BH; Choi, MH; Woo, JS; Paeng, KJ; Chung, BC |
| 2003-02 | Rapid HPLC-electrospray tandem mass spectrometric assay for urinary testosterone and dihydrotestosterone glucuronides from patients with benign prostate hyperplasia | Choi, MH; Kim, JN; Chung, BC |
| 2000-01 | Simultaneous determination of urinary androgen glucuronides by high temperature gas chromatography-mass spectrometry with selected ion monitoring | Choi, MH; Kim, KR; Chung, BC |
