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. 2019 Sep 9;9:12917. doi: 10.1038/s41598-019-49357-w

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Geographic distribution of pancreatic cancer mortality at the county level in Shandong on Urban/Rural Status for the years 2011 to 2013. (a) Total mortality without adjustment; (b) Total mortality adjusted for age; (c) Urban mortality without adjustment; (d) Rural mortality without adjustment. Note: the red scale represents the level of mortality rate and the redder the color, the higher the mortality rate.