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Anti-Toxoplasma activities of lemon grass, citronella, and marjoram oils: expressed as representative images of a green fluorescent protein expressing-RH strain of T. gondii-infected human foreskin fibroblast cells treated with sulfadiazine (1 mg/ml), or either lemon grass oil (10 µg/ml), citronella oil (10 µg/ml), or marjoram oil (50 µg/ml). Scale bar=300 µm.
