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Holt PE, Cooper JE, Needham JR.Holt PE, et al.J Small Anim Pract. 1979 May;20(5):269-86. doi: 10.1111/j.1748-5827.1979.tb06721.x.J Small Anim Pract. 1979.PMID: 449293No abstract available.
Holt PE, Cooper JE, Needham JR.Holt PE, et al.Vet Rec. 1979 Mar 10;104(10):213-4. doi: 10.1136/vr.104.10.213.Vet Rec. 1979.PMID: 452326No abstract available.
Cooper JE, Gschmeissner S, Holt PE.Cooper JE, et al. Among authors: holt pe.Lab Anim. 1982 Jan;16(1):12-3. doi: 10.1258/002367782780908878.Lab Anim. 1982.PMID: 6278219No abstract available.