Simultaneous identification of abused drugs, benzodiazepines, and new psychoactive substances in urine by liquid chromatography tandem mass spectrometry

by Hei-Hwa Lee, Jong-Feng Lee, Shin-Yu Lin, Bai-Hsiun Chen
Published 2016-03-01

Urine specimen validity test for drug abuse testing in workplace and court settings

by Shin-Yu Lin, Hei-Hwa Lee, Jong-Feng Lee, Bai-Hsiun Chen
Published 2018-01-01

Quantitation of serum 25(OH)D2 and 25(OH)D3 concentrations by liquid chromatography tandem mass spectrometry in patients with diabetes mellitus

by Yi-Ching Lin, Hei-Hwa Lee, Shing-Cheng Tseng, Kun-Der Lin, Li-Ping Tseng, Jong-Feng Lee, Yung-Hung Lee, Bai-Hsiun Chen
Published 2019-04-01