Electronic cigarettes: we need evidence, not opinions.
London School of Hygiene & Tropical Medicine, London WC1H 9SH, UK. Electronic address: Martin.McKee@lshtm.ac.uk.
Martin
M
McKee
University of Liverpool, Department of Public Health & Policy, Institute of Psychology, Health & Society, Liverpool, UK.
Simon
S
Capewell
D066300:Electronic Nicotine Delivery Systems / Q000009:adverse effects*; D006801:Humans; D011634:Public Health