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\bibitem{Alvarez-Martin_etal2021} {\textquotedblleft}\textit{High-resolution mass spectrometry and nontraditional mass defect analysis of brominated historical pigments}{\textquotedblright}. Alvarez-Martin A, Newsome GA, Janssens K, Analytical Chemistry \textbf{93}, 14851 (2021).   http://doi.org/10.1021/ACS.ANALCHEM.1C03815

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