00000nam a2200000 a 4500 Keyzer, Ties Horel, Stéphane Gesundheitswissenschaft Tabak Gesundheit Covid 19: How harm reduction advocates and the tobacco industry capitalised on the pandemic to promote nicotine 2021 W:\Digitale Publikationen\Stoffgeb_Süchte\StgTab\00492011_Covid 19 How harm reduction advocates and the tobacco industry capitalised on the pandemic to promote nicotine_bmj.n1303.full.pdf the BMJ 3 S.