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http://journals.cambridge.org/action/displayAbstract?aid=186079
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SOOJIN YI
and BRIAN CHARLESWORTH
(2003).
Unusual pattern of single nucleotide polymorphism at the exuperantia2 locus of Drosophila pseudoobscura. Genetical Research, 82
,
pp 101-106
doi:10.1017/S0016672303006402