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Transmission electron microscopy of Leishmania amazonensis promastigotes. (A) Untreated parasites. (B) Parasites treated for 24 h with 1,4-disubstituted-1,2,3-triazole 4 at 15.68 µM presenting kinetoplast swelling and a change in chromatin distribution. n: nucleus, f: flagellum, k: kinetoplast.
