RT Journal Article SR Electronic T1 COVID-19 and smoking: is nicotine the hidden link? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2001116 DO 10.1183/13993003.01116-2020 VO 55 IS 6 A1 Russo, Patrizia A1 Bonassi, Stefano A1 Giacconi, Robertina A1 Malavolta, Marco A1 Tomino, Carlo A1 Maggi, Fabrizio YR 2020 UL http://erj.ersjournals.com/content/55/6/2001116.abstract AB