Chinese Journal of Chromatography
Simultaneous determination of nine estrogens in bullfrogs using filtered solid phase extraction and ultra-performance liquid chromatography-tandem mass spectrometry
QIU Qiaoli, CHEN Xiaohong, PAN Shengdong, JIN Micong
Chinese Journal of Chromatography . 2022, (7): 669 -676 .  DOI: 10.3724/SP.J.1123.2022.01017