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Mean diameter and standard error of the mean of venoles during HO treatment: VH, EJ, and ER denote patients. T00 is the time of the beginning of the treatment. T10, T20, T70, and T80 show the diameter of the vessels after 10, 20, 70, and 80 minutes after start of treatment. U10 shows the diameter of the vessels 10 minutes after finishing treatment. The bars denote the standard error of the means.
