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Grace PB, Taylor JI, Botting NP, Fryatt T, Oldfield MF, Al-Maharik N, Bingham SA.Grace PB, et al. Among authors: oldfield mf.Rapid Commun Mass Spectrom. 2003;17(12):1350-1357. doi: 10.1002/rcm.1059.Rapid Commun Mass Spectrom. 2003.PMID: 12811759