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Jonker C, Olivier J.Jonker C, et al.Int J Environ Res Public Health. 2012 Feb;9(2):511-20. doi: 10.3390/ijerph9020511. Epub 2012 Feb 7.Int J Environ Res Public Health. 2012.PMID: 22470306Free PMC article.
van der Vyver PJ, Jonker C.van der Vyver PJ, et al. Among authors: jonker c.SADJ. 2014 Oct;69(9):404-9.SADJ. 2014.PMID: 26571923Review.No abstract available.