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. 2006 Oct 10;4(10):e345. doi: 10.1371/journal.pbio.0040345

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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 credited.

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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graphic file with name pbio.0040345.g001.jpg — Geographical distributions of Drosophila subquinaria (black) and D. recens (gray), showing allopatric populations of D. subquinaria in the west and D. recens in the east, and sympatric populations in central Canada.