Sérgio Renato da Rosa Decker1,2, Eduardo Dambros3, Eduardo Gehling Bertoldi4
Decker1 SRR, 2 , Dambros3 E, Bertoldi4 EG. A single-center observational study on smoking behavior and preventive measures for COVID-19. J Bras Pneumol. 2021;47(6):e20210304