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. 2022 Jan 26;130(4):492–500. doi: 10.1111/bcpt.13707

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© 2022 The Authors. Basic & Clinical Pharmacology & Toxicology published by John Wiley & Sons Ltd on behalf of Nordic Association for the Publication of BCPT (former Nordic Pharmacological Society).

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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d‐RA/d‐MPH metabolic ratio (MR) in subjects with multiple samples (n = 12) and those with only one visit (1A, n = 9). Subjects with a ratio above 3 between the lowest and the highest C/D are shown with dotted lines. MPH, methylphenidate