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A Novel Dried Blood Spot-LCMS Method for the Quantification of Methotrexate Polyglutamates as a Potential Marker for Methotrexate Use in Children
- Ahmed F. Hawwa,
- AbdelQader AlBawab,
- Madeleine Rooney,
- Lucy R. Wedderburn,
- Michael W. Beresford,
- James C. McElnay
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- Published: February 25, 2014
- https://doi.org/10.1371/journal.pone.0089908