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Plasma concentrations of ghrelin (A), des-acyl ghrelin (B), and their ratios (C) in PBS-treated controls (n = 8) and MTX-treated (n = 10). *p < 0.05, Mann–Whitney test, KS test p = 0.03 and p > 0.1 and **p < 0.01 Student’s t-test, KS test p > 0.1 both (mean ± SEM).
