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is lector ggz bij de Hogeschool Leiden en senior onderzoeker bij VUmc/GGZ inGeest.
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van der Stel, J. Er zijn. VERSLAVING 9, 14–16 (2013). https://doi.org/10.1007/s12501-013-0003-1
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DOI: https://doi.org/10.1007/s12501-013-0003-1