Donaldson, Gavin C <br/><br/>
Influence of season on exacerbation characteristics in patients with COPD.  [electronic resource] 

 -  Chest  Jan 2012 
 - 94-100 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1931-3543 
<br/><br/><label>Standard No.: </label>10.1378/chest.11-0281  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Female<br/>Follow-Up Studies<br/>Forced Expiratory Volume<br/>Humans<br/>Incidence<br/>London--epidemiology<br/>Male<br/>Prognosis<br/>Pulmonary Disease, Chronic Obstructive--epidemiology<br/>Recurrence<br/>Respiratory Function Tests<br/>Retrospective Studies<br/>Risk Factors<br/>Seasons<br/>Smoking--adverse effects