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. 2015 May 10;8:266. doi: 10.1186/s13071-015-0878-2

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© Mathis et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Matrix-assisted laser desorption/ionization time of flight (MALDI-TOF) mass spectra of Phlebotomus perniciosus. (a) Fresh specimen from colony. (b) Field specimen stored in 70 % EtOH, −20 °C for 3 years. (c) Field specimen stored in N₂ then −80 °C since 1991. (d) Field specimen stored in N₂ then −80 °C, since 1989. Note different scale of magnification (10 ×) for the higher mass range (10–20 kDa)