On-line solid-phase extraction of pharmaceutical compounds from wastewater treatment plant samples using restricted access media in column-switching liquid chromatography-tandem mass spectrometry - Marasco Júnior, César A.; Sartore, Douglas Morisue; Lamarca, Rafaela S.; Silva, Bianca F. da; Santos Neto, Alvaro Jose dos; Gomes, Paulo Clairmont Feitosa de Lima (Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 2021)