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Acute and chronic form of CSF related lesions observed during field investigations in India. (A), Hemorrhages in skin, acute CSF form; (B), infarction in spleen, acute CSF form; (C), Hemorrhagic enteritis, acute CSF form; (D), hemorrhagic mesenteric lymph nodes, acute CSF form; (E), necrotic tonsillitis, chronic CSF form; and (F), Button ulcers in colon, chronic CSF form.
