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Fletcher EL, Wässle H.Fletcher EL, et al.J Comp Neurol. 1999 Oct 11;413(1):155-67. doi: 10.1002/(sici)1096-9861(19991011)413:1<155::aid-cne11>3.0.co;2-6.J Comp Neurol. 1999.PMID: 10464377
Grünert U, Haverkamp S, Fletcher EL, Wässle H.Grünert U, et al. Among authors: fletcher el.J Comp Neurol. 2002 May 27;447(2):138-51. doi: 10.1002/cne.10220.J Comp Neurol. 2002.PMID: 11977117