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van Groenendael L, Flinkenflögel L, van der Vliet JA, Roovers EA, van Sterkenburg SM, Reijnen MM.van Groenendael L, et al. Among authors: roovers ea.Phlebology. 2010 Jun;25(3):151-7. doi: 10.1258/phleb.2009.009044.Phlebology. 2010.PMID: 20483865