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Determination of the relationship of U. urealyticum infection with rUreG or NASP393-408. Microtiter plates were coated with rUreG or NASP393-408-KLH, and ELISA was performed on the microtiter plates using sera from infertile men as the primary antibodies. Sera from fertile men were used as controls. The absorbance was measured at 492 nm.
