Catarrh-a survey in general practice.
D000328:Adult; D000393:Air Pollutants; D004739:England; D005194:Family Practice; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012141:Respiratory Tract Infections / Q000453:epidemiology*
D000393:Air Pollutants