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van der Plas AG, Onwuteaka-Philipsen BD, van de Watering M, Jansen WJ, Vissers KC, Deliens L.van der Plas AG, et al. Among authors: vissers kc.BMC Health Serv Res. 2012 Jun 18;12:163. doi: 10.1186/1472-6963-12-163.BMC Health Serv Res. 2012.PMID: 22709349Free PMC article.
Woitha K, Van Beek K, Ahmed N, Hasselaar J, Mollard JM, Colombet I, Radbruch L, Vissers K, Engels Y.Woitha K, et al.BMC Health Serv Res. 2012 Nov 2;12:381. doi: 10.1186/1472-6963-12-381.BMC Health Serv Res. 2012.PMID: 23122255Free PMC article.Review.