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Gasbarrini A, Cappuccio M, Bandiera S, Amendola L, van Urk P, Boriani S.Gasbarrini A, et al.Spine (Phila Pa 1976). 2011 Nov 15;36(24):2089-93. doi: 10.1097/BRS.0b013e3181ffeb5e.Spine (Phila Pa 1976). 2011.PMID: 21304430
Pielkenrood BJ, van Urk PR, van der Velden JM, Kasperts N, Verhoeff JJC, Bol GH, Verkooijen HM, Verlaan JJ.Pielkenrood BJ, et al. Among authors: van urk pr.Acta Oncol. 2020 Mar;59(3):291-297. doi: 10.1080/0284186X.2019.1693059. Epub 2019 Nov 23.Acta Oncol. 2020.PMID: 31760850
Cappuccio M, Gasbarrini A, Van Urk P, Bandiera S, Boriani S.Cappuccio M, et al.Eur Rev Med Pharmacol Sci. 2008 May-Jun;12(3):155-60.Eur Rev Med Pharmacol Sci. 2008.PMID: 18700686
van Urk PR, van den Berg MP, van Royen BJ, Smeets EE, Curfs LM.van Urk PR, et al.Ned Tijdschr Geneeskd. 2014;158(3):A6686.Ned Tijdschr Geneeskd. 2014.PMID: 24423488Dutch.