@incollection{Stockley11, author = {Elizabeth Sapey and Robert A Stockley}, title = {The Importance of Chronic Bronchitis in Chronic Obstructive Pulmonary Disease}, booktitle = {Bronchitis}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Ignacio Martin-Loeches}, chapter = {2}, doi = {10.5772/18116}, url = {https://doi.org/10.5772/18116} }