Optimization of an ultrasound-assisted extraction method for the determination of parabens and bisphenol homologues in human saliva by liquid chromatography-tandem mass spectrometry

1. Moscoso-Ruiz, I.
2. Gálvez-Ontiveros, Y.
3. Cantarero-Malagón, S.
4. Rivas, A.
5. Zafra, A.