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. 2020 Oct 8;192:110274. doi: 10.1016/j.envres.2020.110274

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Fig. 1 — Probability Distribution Functions (PDF) for Hazardous Index calculated for one of the samples (Sample 2). (a) Concentrations of all 20 elements are log-normally distributed, all other variables are fixed; (b) Concentrations of all 20 elements are normally distributed (with the same mean values and standard deviations), all other variables are fixed; (c) Same concentration distributions as in (a) but additional normal distribution for the body weight; (d) Same concentration distributions as in (b) but additional normal distribution for the body weight.