- Halitose slechte adem.pdf
www.uzleuven.be/sites/default/files/uzremote/brochure/Halitose%20%20slechte%20adem.pdf - What Is Halitosis? – American Dental Association
www.mouthhealthy.org/en/az-topics/h/halitosis - Slechte adem (Halitose) | gezondheid.be
www.gezondheid.be/index.cfm?fuseaction=art&art_id=1171 - Halitose – Wikipedia
nl.wikipedia.org/wiki/Halitose - Halitose (slechte adem): symptomen, oorzaak en behandeling | Mens en Gezondheid: Aandoeningen
mens-en-gezondheid.infonu.nl/aandoeningen/70274-halitose-slechte-adem-symptomen-oorzaak-en-behandeling.html - Bad Breath Causes, Treatments, and Prevention
www.webmd.com/oral-health/guide/bad-breath#1