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. 2014 Nov 17;10(9):2744–2753. doi: 10.4161/hv.29696

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© 2014 Fang Gao, Kay Lockyer, Karena Burkin, Dennis T Crane, and Barbara Bolgiano. Published with license by Taylor & Francis Group, LLC.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.

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Figure 4. — pH values of stability samples of monovalent pneumococcal-protein D/TT/DT bulk conjugates. Samples were stored at -20, 4, 37, or 56°C for 5 wk or exposed to repeated freeze-thawing (F/T), with colors indicated in the legend. pH measurements were made with samples equilibrated to room temperature.