Links
[1] https://www.sciensano.be/en/biblio/mssfp04-sildenafil-study
[2] https://www.sciensano.be/en/health-topics/effectiveness-and-safety-vaccines-medicines-and-health-products-quality-medical-laboratories
[3] https://www.sciensano.be/en/people/eric-deconinck/biblio
[4] https://www.sciensano.be/en/biblio?f%5Bauthor%5D=86577&f%5Bsearch%5D=Marie%20Bertrand