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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Curr Probl Pediatr Adolesc Health Care. 2018 Jan 8;48(2):40–49. doi: 10.1016/j.cppeds.2017.12.003

FIGURE 1.

FIGURE 1

Ethnic variability in CYP450 Phenotypes. Allelic frequencies for phenotypes of 2C19, 2D6 and 3A4 vary across ethnic groups, which may inform testing. These variations are presented for the following ethnicities: (1) African, (2) Asian and (3) Phenotypic frequencies are shown below for Africans (red), Asians (green) and Northern Europeans (blue).