European e cigarette flavor survey: single fruit flavor accounts for more than 70%, strawberry, watermelon and Must have flavors? Flavors E Liquid Recipes Forum The best e liquid flavors to make your recipes stand out CHEMNOVATIC An approach to ingredient screening and toxicological risk assessment of flavours in e liquids ScienceDirect Expanding the E Liquid Flavor Wheel: Classification of Emerging E Liquid Flavors in Online Vape Shops