TY - GEN AU - Rigden,Helen M AU - Alias,Ahmad AU - Havelock,Thomas AU - O'Donnell,Rory AU - Djukanovic,Ratko AU - Davies,Donna E AU - Wilson,Susan J TI - Squamous Metaplasia Is Increased in the Bronchial Epithelium of Smokers with Chronic Obstructive Pulmonary Disease SN - 1932-6203 PY - 2017///0726 KW - Bronchi KW - drug effects KW - Case-Control Studies KW - Epithelial Cells KW - Female KW - Humans KW - Male KW - Metaplasia KW - etiology KW - Middle Aged KW - Pulmonary Disease, Chronic Obstructive KW - complications KW - Smoking KW - adverse effects N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1371/journal.pone.0156009 ER -