title: E-cigs have lower levels of harmful toxins.
authors.affiliation: CMAJ.
authors.forename: Roger
authors.initials: R
authors.lastname: Collier
mesh_terms: D002273:Carcinogens / Q000378:metabolism*; D066300:Electronic Nicotine Delivery Systems; D006801:Humans; D009602:Nitrosamines / Q000378:metabolism*; D012463:Saliva / Q000737:chemistry; D012907:Smoking / Q000378:metabolism*; D006113:United Kingdom; D014556:Urine / Q000737:chemistry; D055549:Volatile Organic Compounds / Q000378:metabolism*
chemical_list: D002273:Carcinogens; D009602:Nitrosamines; D055549:Volatile Organic Compounds