Sham, Jackie, BCIT School of Health Sciences, Environmental Health, Vanessa Karakilic, Kevin Soulsbury, and Fred Shaw. “Electronic Cigarettes: Using Gas Chromatography Mass Spectrometry Analysis on Nicotine Free Electronic Cigarette Liquids”. BCIT Environmental Public Health Journal (March 1, 2016). Accessed May 5, 2024. https://journals.bcit.ca/index.php/ehj/article/view/100.