title: Diurnal temperature range as a novel risk factor for COPD death.
mesh_terms: D002423:Cause of Death / Q000639:trends; D002681:China / Q000453:epidemiology; D002940:Circadian Rhythm / Q000502:physiology*; D004781:Environmental Exposure / Q000009:adverse effects; D005500:Follow-Up Studies; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000401:mortality* / Q000503:physiopathology; D012189:Retrospective Studies; D012307:Risk Factors; D015996:Survival Rate / Q000639:trends; D013696:Temperature