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Branum, G.D.; Sweeney, S.; Palmeri, A.; Haines, L.; Huber, C., The feasibility of the detection and quantitation of «beta»-adrenergic blockers by solid-phase extraction and subsequent derivatization with methaneboronic acid, J. Anal. Toxicol., 1998, 22, 2, 135-141, https://doi.org/10.1093/jat/22.2.135 . [all data]