Fig. 2From: Quantitative association between lead exposure and amyotrophic lateral sclerosis: a Bayesian network-based predictive studyThe comparisons of blood metal concentrations found in ALS cases and controls. A, B, C, D, E, F correspond to Pb, Cu, Fe, Mg, Zn, and Ca levels. Data presented indicate median and IQR. *: p-value < 0.05. **: p-value < 0.01. ns: not significantBack to article page