1. A bispecific antibody comprising a first Fv fragment, wherein the first Fv fragment comprises a heavy chain variable domain comprising: a) a complementarity determining region (CDR) CDRH1 comprising SEQ ID NO: 11, b) a CDRH2 comprising SEQ ID NO: 13 and c) a CDRH3 comprising SEQ ID NO: 15; and, a light chain variable domain comprising: a) a CDRL1 comprising SEQ ID NO: 5, b) a CDRL2 comprising SEQ ID NO: 7, and c) a CDRL3 comprising SEQ ID NO: 9; and a second Fv fragment, wherein the second Fv fragment comprises a heavy chain variable domain comprising: a) a CDRH1 comprising SEQ ID NO: 23, b) CDRH2 comprising SEQ ID NO: 25 and c) CDRH3 comprising SEQ ID NO: 27; and, a light chain variable domain comprising: a) CDRL1 comprising SEQ ID NO: 17, b) CDRL2 comprising SEQ ID NO: 19, and c) CDRL3 comprising SEQ ID NO: 21.
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