Relationship of symptoms of chronic bronchitis and emphysema to weather and air pollution.
D000397:Air Pollution; D001991:Bronchitis / Q000453:epidemiology*; D002641:Chicago; D002908:Chronic Disease; D003080:Cold Temperature; D003371:Cough; D004417:Dyspnea; D004781:Environmental Exposure; D006801:Humans; D006813:Humidity; D011656:Pulmonary Emphysema / Q000453:epidemiology*; D012621:Seasons; D013458:Sulfur Dioxide; D013696:Temperature; D014887:Weather
D013458:Sulfur Dioxide