Links
[1] https://www.sciensano.be/en/biblio/determination-ocfentanil-and-w-18-a-suspicious-heroin-powder-belgium
[2] https://www.sciensano.be/en/health-topics/health-and-disease-monitoring
[3] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=88014&f%5Bsearch%5D=Degreef%2C%20Maarten
[4] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=2328&f%5Bsearch%5D=Peter%20Blanckaert
[5] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=88015&f%5Bsearch%5D=Berry%2C%20Eleanor
[6] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=88016&f%5Bsearch%5D=van%20nuijs%2C%20Alexander
[7] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=88017&f%5Bsearch%5D=Maudens%2C%20Kristof
[8] https://www.sciensano.be/en/health-topics/lifestyle-risk-factors