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Light microscopy of Leishmania amazonensis intracellular amastigotes in J774.G8 macrophages. (A) L. amazonensis infected non-treated cells showing numerous internalized amastigotes (arrow). (B) L. amazonensis infected cells treated with 7.93 µg/mL of Endlicheria bracteolata essential oil against showing few amastigotes (arrow). Giemsa.
