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Holterman M, Karssen G, van den Elsen S, van Megen H, Bakker J, Helder J.Holterman M, et al. Among authors: karssen g.Phytopathology. 2009 Mar;99(3):227-35. doi: 10.1094/PHYTO-99-3-0227.Phytopathology. 2009.PMID: 19203274Free article.
Topalović O, Moore JF, Janssen T, Bert W, Karssen G.Topalović O, et al. Among authors: karssen g.Zookeys. 2017 Jan 5;(643):33-52. doi: 10.3897/zookeys.643.11266. eCollection 2017.Zookeys. 2017.PMID: 28144174Free PMC article.
Kolombia YA, Karssen G, Viaene N, Kumar PL, de Sutter N, Joos L, Coyne DL, Bert W.Kolombia YA, et al. Among authors: karssen g.J Nematol. 2017 Jun;49(2):177-188. doi: 10.21307/jofnem-2017-063.J Nematol. 2017.PMID: 28706318Free PMC article.