(withdrawal perceptions/indicators ("no evidence found")) |
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===2018: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5986583/ Effects of reduced nicotine content cigarettes on individual withdrawal symptoms over time and during abstinence]=== | ===2018: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5986583/ Effects of reduced nicotine content cigarettes on individual withdrawal symptoms over time and during abstinence]=== | ||
===2016: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5328980/#FN1 U.S. adults' addiction and harm beliefs about nicotine and low nicotine cigarettes]=== | |||
===[https://www.xxiicentury.com/vln-clinical-studies/published-clinical-studies-on-very-low-nicotine-content-vlnc-cigarettes Studies on 22nd Century website]=== | ===[https://www.xxiicentury.com/vln-clinical-studies/published-clinical-studies-on-very-low-nicotine-content-vlnc-cigarettes Studies on 22nd Century website]=== | ||
edits