title: Temporal clustering of exacerbations in chronic obstructive pulmonary disease.
authors.forename: Oliver
authors.initials: O
authors.lastname: Keene
authors.forename: James
authors.initials: J
authors.lastname: Roger
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology*; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D013029:Space-Time Clustering