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This study reported that derivatization with 5-butylpicolinic acid improved the sensitivity for detecting testosterone and DHT in saliva using LC-ESI-MS/MS, with minimal interference from the saliva matrix.

This study used gas chromatography-mass spectrometry to simultaneously quantify androstenedione, dihydrotestosterone, dehydroepiandrosterone, testosterone, androsterone, etiocholanolone, progesterone, and pregnenolone in human hair, detecting differences in steroid concentrations between male and female samples.

This study developed and validated a Gas Chromatography-Flame Ionization Detection method for assessing minoxidil, which shows good precision, accuracy, and specificity for quality control and pharmacokinetic studies.

This study found that a new analytical approach revealed an increased brain pregnenolone level following finasteride treatment in a mouse model, suggesting potential for improved understanding of neurosteroid roles in brain excitability.

This study used a newly validated method to find that one-year finasteride treatment resulted in no significant differences in urinary androgen and prostaglandin levels between male pattern baldness patients and normal controls.