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Peptide peaks with features of down-regulation. Compared with the healthy controls (red line), the down-regulated peaks of the newly developed advanced schistosomiasis (NDAS) group are shown as a green line, including 11 peaks with m/z 924, 2661, 2953, 2991, 3241, 3884, 5337, 5905, 5943, 7766 and 9289.
