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Ion images and profiles from one volunteer in the DOT study (V-6). Sample collected 28 days after a single dose of maraviroc. (A) Ion image corresponding to cholesterol. (B) Ion image from the same hair strands corresponding to maraviroc (corrected by IS). (C) Longitudinal profiles showing the intensity of maraviroc along the length of the hair strands in panel B. Each of the profiles were smoothed by moving average (n = 3). The top profile corresponds to the top strand in the image.
