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Mia Nakachi,
Motonori Hoshi,
Midori Matsumoto
and Hideaki Moriyama
(2008).
Conserved sequences of sperm-activating peptide and its receptor throughout evolution, despite speciation in the sea star Asterias amurensis and closely related species. Zygote,
16
,
pp 229-237
doi:10.1017/S0967199408004759