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Salem AA, Wasfi IA, Al-Nassibi SS. Trace determination of β-blockers and β2-agonists in distilled and waste-waters using liquid chromatography-tandem mass spectrometry and solid-phase extraction. J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Nov 01;908():27–38. doi: 10.1016/j.jchromb.2012.09.026. PMID: 23122398. |