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. 2013 Nov 1;45(6):1385–1393. doi: 10.1007/s00726-013-1603-0

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© The Author(s) 2013

Open AccessThis article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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Fig. 2 — Secondary parameter. a Dizziness shows the intensity of dizziness at four different time points (20 min pre-treatment, 30, 90 and 120 min post-treatment). The black A line shows the control group. The red B line shows the alcohol-only group. The green C line shows the alcohol and caffeine group. The blue D line shows the alcohol and energy drink group. The y-axis only shows the relevant parts oft the total 0–100 scales. There was a significant difference between the four treatment groups when corrected for multiple testing, but no difference was observed in the sub-analysis of the three alcohol groups. b Alterations in sight shows the intensity of alterations in sight at four different time points (20 min pre-treatment, 30, 90 and 120 min post-treatment). The black A line shows the control group. The red B line shows the alcohol-only group. The green C line shows the alcohol and caffeine group. The blue D line shows the alcohol and energy drink group. The y-axis only shows the relevant parts of the total 0–100 scales. There was a significant difference between the four treatment groups when corrected for multiple testing, but no difference was observed in the sub-analysis of the three alcohol groups. c Alterations in walking shows the intensity of alterations in walking at four different time points (20 min pre-treatment, 30, 90 and 120 min post-treatment). The black A line shows the control group. The red B line shows the alcohol-only group. The green C line shows the alcohol and caffeine group. The blue D line shows the alcohol and energy drink group. The y-axis only shows the relevant parts of the total 0–100 scales. There was a significant difference between the four treatment groups when corrected for multiple testing, but no difference was observed in the sub-analysis of the three alcohol groups. d Agitation shows the intensity of agitation at four different time points (20 min pre-treatment, 30, 90 and 120 min post-treatment). The black A line shows the control group. The red B line shows the alcohol-only group. The green C line shows the alcohol and caffeine group. The blue D line shows the alcohol and energy drink group. The y-axis only shows the relevant parts of the total 0–100 scales. There was a significant difference between the four treatment groups when corrected for multiple testing, but no difference was observed in the sub-analysis of the three alcohol groups. e Alteration in speech shows the intensity of alteration in speech at four different time points (20 min pre-treatment, 30, 90 and 120 min post-treatment). The black A line shows the control group. The red B line shows the alcohol-only group. The green C line shows the alcohol and caffeine group. The blue D line shows the alcohol and energy drink group. The y-axis only shows the relevant parts oft the total 0–100 scales. There was a significant difference between the four treatment groups when corrected for multiple testing, but no difference was observed in the sub-analysis of the three alcohol groups (color figure online)