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ter Borg PC, van Os E, van den Broek WW, Hansen BE, van Buuren HR.ter Borg PC, et al. Among authors: van buuren hr, van os e, van den broek ww.BMC Gastroenterol. 2004 Jul 13;4:13. doi: 10.1186/1471-230X-4-13.BMC Gastroenterol. 2004.PMID: 15251034Free PMC article.Clinical Trial.
van Os E, van den Broek WW, Mulder PG, ter Borg PC, Bruijn JA, van Buuren HR.van Os E, et al. Among authors: van buuren hr, van den broek ww.J Hepatol. 2007 Jun;46(6):1099-103. doi: 10.1016/j.jhep.2007.01.036. Epub 2007 Mar 2.J Hepatol. 2007.PMID: 17399846
van den Broek WW, Mulder PG, van Os E, Birkenhäger TK, Pluijms E, Bruijn JA.van den Broek WW, et al. Among authors: van os e.J Psychopharmacol. 2009 Aug;23(6):708-13. doi: 10.1177/0269881108089821. Epub 2008 Jun 18.J Psychopharmacol. 2009.PMID: 18562424Review.
Birkenhäger TK, van den Broek WW, Wijkstra J, Bruijn JA, van Os E, Boks M, Verkes RJ, Janzing JG, Nolen WA.Birkenhäger TK, et al. Among authors: van os e, van den broek ww.J Clin Psychopharmacol. 2009 Oct;29(5):513-5. doi: 10.1097/JCP.0b013e3181b6744e.J Clin Psychopharmacol. 2009.PMID: 19745662No abstract available.
Van Os EC, Petersen BT, Kelly DG, Donohue JH.Van Os EC, et al.Gastrointest Endosc. 1996 Oct;44(4):494-7. doi: 10.1016/s0016-5107(96)70111-6.Gastrointest Endosc. 1996.PMID: 8905380Review.No abstract available.
Van Os EC, Gostout CJ, Geller A, Ahlquist DA, Batts KP, Wolff BG.Van Os EC, et al.Gastrointest Endosc. 1997 Mar;45(3):322-4. doi: 10.1016/s0016-5107(97)70283-9.Gastrointest Endosc. 1997.PMID: 9087847No abstract available.