![Simultaneous determination of p-acetaminobenzoic acid and N,N-dimethylamino-2-propanol in human plasma by liquid chromatography–tandem mass spectrometry with positive/negative ion-switching electrospray ionization and its application to a pharmacokinetic study]()
Simultaneous determination of p-acetaminobenzoic acid and N,N-dimethylamino-2-propanol in human plasma by liquid chromatography–tandem mass spectrometry with positive/negative ion-switching electrospray ionization and its application to a pharmacokinetic studyYin, Lei; Yang, junfeng; Meng, Xiangjun; Yang, Bo; Su, Chong; Yang, Zhichao; Zheng, Mi; Zhao, Limei; Gu, Kai Jing; Xin, Guijie · Anal. Methods · 2015