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Antigenicity of Eg mefAg-1 toward sheep hydatidosis sera in ELISA. A cut-off line was set at OD 0.270. Eg PS, E. granulosus hydatid cyst positive; Eg NS, E. granulosus hydatid cyst negative; Ct PS, Cysticercus tenuicollis positive; Em PS, E. multilocularis cyst positive; Fh PS, F. hepatica positive.
