Perhaps you should try some spelling variations:
introduction conventions » introduction contentions, introduction conventional, introduction contentious
conventions programming » prevention programming, communications programming
programming lectin » programming selecting, programming reaction, programming testing
lectin microarray » lectin microarrays, protein microarray
microarray https » microarrays https, microarray chips, microscopy https

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• Performing a fuzzy search may retrieve terms with similar spellings: introduction conventions programming lectin microarray https~.
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