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. 2016 Aug 8;5(1):1290. doi: 10.1186/s40064-016-2963-1

Fig. 2.

Fig. 2

Assimilation pigment composition of C. vulgaris cultivated for 18 days in Cd(II) medium. Different lowercase letter (ac) indicate significant differences between treatments exposed to increasing metal concentration (p < 0.05). Values in columns followed by the same letter(s) are not significantly different according to Tukey’s test (p < 0.05)