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. Author manuscript; available in PMC: 2006 May 31.
Published in final edited form as: Chest. 2006 May;129(5):1288–1297. doi: 10.1378/chest.129.5.1288

Figure 1.

Figure 1

Lead, cadmium, aluminum (expressed in log10 scale), and nickel levels in the EBC of the studied groups. Between-group differences were sought using the Kruskal-Wallis test (p < 0.0001), followed by Dunn multiple comparison test (*p < 0.05). The horizontal lines represent median values.