title: 'Tis the season.
authors.forename: Nick R
authors.initials: NR
authors.lastname: Anthonisen
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology*; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D012621:Seasons