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Potgieser AR, Wagemakers M, van Hulzen AL, de Jong BM, Hoving EW, Groen RJ.Potgieser AR, et al. Among authors: groen rj.Clin Neurol Neurosurg. 2014 Sep;124:51-8. doi: 10.1016/j.clineuro.2014.06.009. Epub 2014 Jun 17.Clin Neurol Neurosurg. 2014.PMID: 25016239Review.
Dulfer SE, Lange F, Wapstra FH, Potgieser ARE, Valk JP, Absalom AR, Groen RJM, Faber C, Drost G.Dulfer SE, et al.Eur Spine J. 2020 Aug;29(8):2029-2035. doi: 10.1007/s00586-020-06458-9. Epub 2020 May 21.Eur Spine J. 2020.PMID: 32440770