Harvard Scientist Finds Microbial Contaminants in E-Cigarette

https://news.harvard.edu/gazette/story/2019/04/harvard-scientist-finds-microbial-contaminants-in-e-cigs/?utm_medium=social&utm_campaign=hu-facebook-general&utm_source=facebook&fbclid=IwAR0xs7MwLyE2bHJtYxWyr6vfrVRwAii2oCS1N6jAQaN8P8H3_YrztyDCTUM

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