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Gubbins S, Hartemink NA, Wilson AJ, Moulin V, Vonk Noordegraaf CA, van der Sluijs MT, de Smit AJ, Sumner T, Klinkenberg D.Gubbins S, et al. Among authors: sumner t.Prev Vet Med. 2012 Aug 1;105(4):297-308. doi: 10.1016/j.prevetmed.2012.02.016. Epub 2012 Mar 17.Prev Vet Med. 2012.PMID: 22425328
Sumner T, White RG.Sumner T, et al.J R Soc Interface. 2022 Nov;19(196):20220413. doi: 10.1098/rsif.2022.0413. Epub 2022 Nov 23.J R Soc Interface. 2022.PMID: 36415976Free PMC article.