passages.id: 1.0alpha7.train.123.sent
passages.type: sentence
passages.text: Interestingly, using the SPR, the binding of GFRalpha2-Fc to GDNF could not be detected.
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coreferences.id: 1.0alpha7.train.123.coref2
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coreferences.id: 1.0alpha7.train.123.coref3
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