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Vaney DI, Whitington GE, Young HM.Vaney DI, et al.Proc R Soc Lond B Biol Sci. 1989 Sep 22;237(1289):471-88. doi: 10.1098/rspb.1989.0060.Proc R Soc Lond B Biol Sci. 1989.PMID: 2479948