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. Author manuscript; available in PMC: 2022 May 4.
Published in final edited form as: Mol Genet Metab. 2021 Aug 21;134(1-2):43–52. doi: 10.1016/j.ymgme.2021.08.006

Fig. 2.

Fig. 2.

Verification of urinary biomarker findings for mucopolysaccharidoses by LC-MS/MS. Mucopolysaccharidosis urine samples (n = 113) used for biomarker discovery were re-analyzed using the targeted LC-MS/MS panel. The boxplots show biomarker peak areas (y-axis) with individual data points and are grouped by each condition (x-axis). Each dot represents one sample, the orange diamond indicates the group mean, and the horizontal divider inside the boxplot indicates the group median. Ages used for the negative population were under 6 months of age (negative-under6m) and above 2 years of age (negative-above2y). Retention time, RT.