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. Author manuscript; available in PMC: 2019 Jun 28.
Published in final edited form as: Clin Chem. 2016 Sep 30;62(12):1593–1601. doi: 10.1373/clinchem.2016.263715

Fig. 5. Whole blood hydroxyurea concentrations in 3 patients with SCA treated with the drug hydroxyurea measured at baseline and at 15 min and 50–70 min after drug administration.

Fig. 5.

Blood hydroxyurea was measured by LC-MS/MS in finger-prick samples collected as dried blood on VMAS devices.