CORD-19:fff600839441a60bb883d5f4328aa3227e127d1d / 10485-10698 JSON TXT

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Id	Subject	Object	Predicate	Lexical cue
TextSentencer_T79	0-213	Sentence	denotes	Sera were tested for the presence of virus antibodies directed against PRRSV in an immunoperoxidase monolayer assay (IPMA) and for the presence of PRRSV by virus isolation as described by Wensvoort et al. (1991) .
TextSentencer_T79	0-213	Sentence	denotes	Sera were tested for the presence of virus antibodies directed against PRRSV in an immunoperoxidase monolayer assay (IPMA) and for the presence of PRRSV by virus isolation as described by Wensvoort et al. (1991) .

Id	Subject	Object	Predicate	Lexical cue
T79	0-213	Sentence	denotes	Sera were tested for the presence of virus antibodies directed against PRRSV in an immunoperoxidase monolayer assay (IPMA) and for the presence of PRRSV by virus isolation as described by Wensvoort et al. (1991) .