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Broer T, Nieboer AP, Bal RA.Broer T, et al. Among authors: bal ra.BMC Health Serv Res. 2010 Sep 8;10:265. doi: 10.1186/1472-6963-10-265.BMC Health Serv Res. 2010.PMID: 20825648Free PMC article.
Jansen YJ, Bal R, Bruijnzeels M, Foets M, Frenken R, de Bont A.Jansen YJ, et al.BMC Health Serv Res. 2006 Dec 13;6:160. doi: 10.1186/1472-6963-6-160.BMC Health Serv Res. 2006.PMID: 17166255Free PMC article.
Jansen YJ, de Bont A, Foets M, Bruijnzeels M, Bal R.Jansen YJ, et al.BMC Health Serv Res. 2007 Aug 7;7:125. doi: 10.1186/1472-6963-7-125.BMC Health Serv Res. 2007.PMID: 17683627Free PMC article.
de Bont A, Stoevelaar H, Bal R.de Bont A, et al.BMC Health Serv Res. 2007 Dec 7;7:200. doi: 10.1186/1472-6963-7-200.BMC Health Serv Res. 2007.PMID: 18062824Free PMC article.
van den Berg M, Frenken R, Bal R.van den Berg M, et al.BMC Health Serv Res. 2009 Sep 26;9:175. doi: 10.1186/1472-6963-9-175.BMC Health Serv Res. 2009.PMID: 19781101Free PMC article.
Zuiderent-Jerak T, Strating M, Nieboer A, Bal R.Zuiderent-Jerak T, et al.Soc Sci Med. 2009 Dec;69(12):1713-21. doi: 10.1016/j.socscimed.2009.09.049. Epub 2009 Oct 14.Soc Sci Med. 2009.PMID: 19833425
Broer T, Nieboer AP, Bal RA.Broer T, et al. Among authors: bal ra.Int J Ment Health Nurs. 2010 Dec;19(6):385-93. doi: 10.1111/j.1447-0349.2010.00699.x.Int J Ment Health Nurs. 2010.PMID: 21054724
Lemmens KM, Rutten-Van Mölken MP, Cramm JM, Huijsman R, Bal RA, Nieboer AP.Lemmens KM, et al. Among authors: bal ra.BMC Health Serv Res. 2011 Jan 10;11:6. doi: 10.1186/1472-6963-11-6.BMC Health Serv Res. 2011.PMID: 21219620Free PMC article.
Strating MM, Nieboer AP, Zuiderent-Jerak T, Bal RA.Strating MM, et al. Among authors: bal ra.BMJ Qual Saf. 2011 Apr;20(4):344-50. doi: 10.1136/bmjqs.2010.047159. Epub 2011 Jan 26.BMJ Qual Saf. 2011.PMID: 21270070Free PMC article.