b Helmis CG a, Tzoutzas J a, Flocas HA a, Halios CH a, Assimakopoulos VD a, Stathopoulou OI a, Panis V a, Apostolatou M a. Emissions of total volatile organic compounds and indoor environment assessment in dental clinics in Athens, Greece. International Dental Journal [Internet]. 2008;58:269-278.