MH Choi, KR Kim, BC Chung. (2000) Determination of hair polyamines as N-ethoxycarbonyl-N-pentafluoropropionyl derivatives by GC-MS, J. Chromatogr. A., 897, 295-305.

JY Kim, MH Choi, SJ Kim, BC Chung. (2000) Measurement of 19-nortestosterone and its esters in equine plasma by LC-MS/MS, Rapid Commun. Mass Spectrom., 14, 1835-1840.

YJ Yang, MH Choi, MJ Paik, HR Yoon, BC Chung. (2000) GC-MS determination of plasma saturated fatty acids using pentafluorophenyldimethylsilyl derivatization, J. Chromatogr. B., 742, 37-46.

MH Choi, KR Kim, BC Chung. (2000) Determination of estrone and 17β​-estradiol in human hair by GC-MS, Analyst, 125, 711-714.

BH Jung, MH Choi, BC Chung. (2000) Pharmacokinetics and urinary excretion of DW116, a new fluoroquinolone antibacterial agent, in humans as a phase I study, Drug Develop. Indust. Pharm., 26, 103-106.

MH Choi, KR Kim, BC Chung. (2000) Simultaneously determination of urinary androgen glucuronides by high temperature GC-MS with selected ion monitoring, Steroids, 65, 54-59.

MH Choi, BC Chung. (2000) Diagnostic fragmentation of saturated and unsaturated fatty acids by GC-MS with pentafluorophenyldimethylsilyl derivatization, Anal. Biochem., 277, 271-273.

JY Kim, MH Choi, BC Chung. (1999) Evaluation of testosterone metabolites /DHEA as the indicators of testosterone administration in horse doping, Anal. Sci. Technol., 12, 190-195.

MH Choi, BH Jung, BC Chung. (1999) Identification of urinary metabolites of clemastine after oral administration to man, J. Pharm. Pharmacol., 51, 53-59.

MH Choi, BC Chung, W Lee, UC Lee, Y Kim. (1999) Determination of anabolic steroids by GC/NICI and GC/NICI/MS/MS with heptafluorobutyric derivatization, Rapid Commun. Mass Spectrom., 13, 376-380.

MH Choi, YK Choi, BC Chung. (1999) Rapid and sensitive analysis of diclofenac in human plasma by GC/SIM/MS, Anal. Lett., 32, 2245-2253.

MH Choi, JY Kim, BC Chung. (1999) Detection of anabolic steroids by GC/SIM/MS with trifluoroacetylation in equine plasma and urine, Anal. Lett., 32, 1313-1322.

MH Choi, JY Kim, BC Chung. (1999) Determination of testosterone:epitestosterone ratio after pentafluorophenyldimethylsilyl-trimethylsilyl derivatisation using gas chromatography-mass spectrometry in equine urine, Analyst, 124, 675-678.

MH Choi, BC Chung. (1999) GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl-trimethylsilyl derivatisation, Analyst, 124, 1297-1300.

T Kim, MH Choi, BH Jung, BC Chung. (1998) GC/MS characterization of dromostanolone metabolites in human urine, Bull. Kor. Chem. Soc., 19, 194-196.

MH Choi, BC Chung. (1998) Changes of endogenous steroids profile after oral administration of danazol, Anal. Sci. Technol., 11, 353-359.​

MH Choi, BC Chung, MS Kim, J Choi, Y Kim. (1998) Determination of four anabolic steroids metabolites by GC/MS with NICI/MS/MS, Rapid Commun. Mass Spectrom., 12, 1749-1755.​