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Ubink-Veltmaat LJ, Bilo HJ, Groenier KH, Rischen RO, Meyboom-de Jong B.Ubink-Veltmaat LJ, et al. Among authors: groenier kh.Eur J Gen Pract. 2005 Mar;11(1):11-6. doi: 10.3109/13814780509178010.Eur J Gen Pract. 2005.PMID: 15841058