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. 2019 Nov 11;95(9):523–537. doi: 10.2183/pjab.95.036

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© 2019 The Japan Academy

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — Derivatization scheme of sialic acid linkage-specific derivation combined with permethylation reaction as lactone stabilization step.^49,56)