1. Appleyard D. A cold left me unable to smell or taste for TWO years… Would I ever enjoy the aroma of roast chicken or flowers again? www.dailymail.co.uk/health/article-2093098
2. Winterman D Taste and smell: What is it like to live without them? [Duncan Boak] June 2013 www.bbc.co.uk/news/magazine-23051270
3. Winterman D Taste and smell: What is it like to live without them? [Alan Curr] June 2013 www.bbc.co.uk/news/magazine-23051270
4. The association between smoking and smell and taste impairment in the general population;Vennemann;J Neurol,2008
5. Prevalence of olfactory dysfunction: the skövde population-based study;Brämerson;Laryngoscope,2004