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Trees AJ, McAllister MM, Guy CS, McGarry JW, Smith RF, Williams DJ.Trees AJ, et al.Vet Parasitol. 2002 Oct 16;109(1-2):147-54. doi: 10.1016/s0304-4017(02)00234-0.Vet Parasitol. 2002.PMID: 12383634
Trees AJ, Williams DJ.Trees AJ, et al.Trends Parasitol. 2005 Dec;21(12):558-61. doi: 10.1016/j.pt.2005.09.005. Epub 2005 Oct 11.Trends Parasitol. 2005.PMID: 16223599
Gibney EH, Kipar A, Rosbottom A, Guy CS, Smith RF, Hetzel U, Trees AJ, Williams DJ.Gibney EH, et al. Among authors: trees aj.Int J Parasitol. 2008 Apr;38(5):579-88. doi: 10.1016/j.ijpara.2007.09.015. Epub 2007 Oct 12.Int J Parasitol. 2008.PMID: 18021783
Rosbottom A, Gibney EH, Guy CS, Kipar A, Smith RF, Kaiser P, Trees AJ, Williams DJ.Rosbottom A, et al. Among authors: trees aj.Infect Immun. 2008 Jun;76(6):2352-61. doi: 10.1128/IAI.01780-06. Epub 2008 Mar 24.Infect Immun. 2008.PMID: 18362132Free PMC article.
McCann CM, Vyse AJ, Salmon RL, Thomas D, Williams DJ, McGarry JW, Pebody R, Trees AJ.McCann CM, et al. Among authors: trees aj.Emerg Infect Dis. 2008 Jun;14(6):978-80. doi: 10.3201/eid1406.071128.Emerg Infect Dis. 2008.PMID: 18507920Free PMC article.
Williams DJ, McGarry J, Guy F, Barber J, Trees AJ.Williams DJ, et al. Among authors: trees aj.Vet Rec. 1997 Mar 29;140(13):328-31. doi: 10.1136/vr.140.13.328.Vet Rec. 1997.PMID: 9106971
Williams DJ, Davison HC, Helmick B, McGarry J, Guy F, Otter A, Trees AJ.Williams DJ, et al. Among authors: trees aj.Vet Rec. 1999 Nov 13;145(20):571-5. doi: 10.1136/vr.145.20.571.Vet Rec. 1999.PMID: 10606017Clinical Trial.
Williams DJ, Guy CS, McGarry JW, Guy F, Tasker L, Smith RF, MacEachern K, Cripps PJ, Kelly DF, Trees AJ.Williams DJ, et al. Among authors: trees aj.Parasitology. 2000 Oct;121 ( Pt 4):347-58. doi: 10.1017/s0031182099006587.Parasitology. 2000.PMID: 11072897
Davison HC, Guy CS, McGarry JW, Guy F, Williams DJ, Kelly DF, Trees AJ.Davison HC, et al. Among authors: trees aj.Res Vet Sci. 2001 Apr;70(2):163-8. doi: 10.1053/rvsc.2001.0457.Res Vet Sci. 2001.PMID: 11356096
Guy CS, Williams DJL, Kelly DF, McGarry JW, Guy F, Björkman C, Smith RF, Trees AJ.Guy CS, et al. Among authors: trees aj.Vet Rec. 2001 Oct 13;149(15):443-9. doi: 10.1136/vr.149.15.443.Vet Rec. 2001.PMID: 11688746