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. 2015 Jun 24;43(20):e130. doi: 10.1093/nar/gkv632

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© The Author(s) 2015. Published by Oxford University Press on behalf of Nucleic Acids Research.

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 reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Overall flow of the seven-step MRPrimer method. The boxes on the right show the input/output formats of Map and Reduce for each step. Map/I indicates the input format of Map, Map/O indicates the output format of Map, Reduce/I indicates the input format of Reduce and Reduce/O indicates the output format of Reduce. Map1&2/I indicates the input formats of Map1 and Map2, and Map1&2/O indicates the output formats of Map1 and Map2, in Steps 3 and 4.