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Janvier A, Farlow B, Baardsnes J, Pearce R, Barrington KJ.Janvier A, et al. Among authors: pearce r.Semin Perinatol. 2016 Dec;40(8):571-577. doi: 10.1053/j.semperi.2016.09.009. Epub 2016 Oct 26.Semin Perinatol. 2016.PMID: 27793420Review.
Pearce RD, Callahan JW, Novak A, Little PB, Clarke JT.Pearce RD, et al.Br Vet J. 1990 May-Jun;146(3):270-80. doi: 10.1016/s0007-1935(11)80014-x.Br Vet J. 1990.PMID: 2364260