%0 Journal Article %T Quantitative computed tomography phenotypes, spirometric parameters, and episodes of exacerbation in heavy smokers: An analysis from South America %A Ana Paula Sartori %A Bruno Hochhegger %A Daniela Cavalet Blanco %A Gabriel Sartori Pacini %A Guilherme Watte %A Jose Miguel Chatkin %A Marcelo Cardoso Barros %A Matheus Zanon %A Stephan Altmayer %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0205273 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6181358/