Characterization of the subjects included in the study.
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aSubjects were screened for T. cruzi-specific antibodies by Wiener Chagatest-ELISA and Wiener Chagatest-HAI kits. Clinical exam included physical exam, electrocardiography and echocardiography. bSeronegative subjects from non-endemic areas were screened for T. cruzi-specific antibody response. Seronegative/cardiac patients exhibiting clinical symptoms were identified based upon blood levels of NT-proBNP to be >2000 pg/ml (normal <450 pg/ml).
创建时间：
2013-08-08
