Fig. 3From: Efficacy of N,N‘bis-(2-mercaptoethyl) isophthalamide on mercury intoxication: a randomized controlled trialOverview of mean fatigue scores and change over follow up. The bars show the physical and mental fatigue scores at baseline, Day 15 and Day 45 stratified by treatment arm. The data is expressed as mean ± SD, the asterisk indicate statistical difference to the placebo group at p < 0.05Back to article page