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10.1126/science.1208813 170 ShihT.-Y.PaiC.-YYangP.ChangW.-L.WangN.-C.HuO

Moreover, that means nicotine patches are considered tobacco use

However, the best way is to stop smoking

The primary endpoint was continuous abstinence at 6 months, defined as self-report and confirmed biochemically by a breath CO reading of less than 10 parts per million (ppm)