Elf Bar and other e cigarette makers dodged US customs and taxes after China's ban on vaping flavors The Independent Xi Yin: Use of Electronic Cigarettes among Chinese Young People. The impact of smoking on the development of diabetes and its complications Mariola liwiska Mosso, Halina Milnerowicz, 2017 Community Medical Centers The rise of e cigarettes: addictive and deadly FDA orders Juul e cigarettes off the market in the U.S. STAT China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters