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Patty NJS, van Dijk HM, Wallenburg I, Bal R, Helmerhorst TJM, van Exel J, Cramm JM.Patty NJS, et al. Among authors: bal r.BMC Public Health. 2017 Nov 7;17(1):872. doi: 10.1186/s12889-017-4879-2.BMC Public Health. 2017.PMID: 29115958Free PMC article.
Jansen YJ, Bal R, Bruijnzeels M, Foets M, Frenken R, de Bont A.Jansen YJ, et al. Among authors: bal r.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.
Wehrens R, Bekker M, Bal R.Wehrens R, et al. Among authors: bal r.J Public Health Policy. 2010 Dec;31(4):447-60. doi: 10.1057/jphp.2010.33.J Public Health Policy. 2010.PMID: 21119651
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.
Slaghuis SS, Strating MM, Bal RA, Nieboer AP.Slaghuis SS, et al.BMC Health Serv Res. 2011 Nov 16;11:314. doi: 10.1186/1472-6963-11-314.BMC Health Serv Res. 2011.PMID: 22087884Free PMC article.
Walters BH, Adams SA, Nieboer AP, Bal R.Walters BH, et al. Among authors: bal r.BMC Health Serv Res. 2012 May 11;12:114. doi: 10.1186/1472-6963-12-114.BMC Health Serv Res. 2012.PMID: 22578251Free PMC article.
Cramm JM, Strating MM, Bal R, Nieboer AP.Cramm JM, et al. Among authors: bal r.Soc Sci Med. 2013 Apr;83:119-24. doi: 10.1016/j.socscimed.2013.01.017. Epub 2013 Jan 26.Soc Sci Med. 2013.PMID: 23415046Free article.
Tsiachristas A, Waters BH, Adams SA, Bal R, Mölken MP.Tsiachristas A, et al. Among authors: bal r.BMC Health Serv Res. 2014 Oct 26;14:518. doi: 10.1186/s12913-014-0518-0.BMC Health Serv Res. 2014.PMID: 25343967Free PMC article.