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. 2014 Feb 26;9(2):e90198. doi: 10.1371/journal.pone.0090198

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© 2014 Kularatne et al

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 author and source are properly credited.

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Distribution of the confirmed and suspected cases of Russell's viper bites admitted to the Teaching Hospital, Anuradhapura from January to December, 2010. Note the high rate of admissions during February – April and September – November representing paddy harvesting and chena cultivation seasons.