Letter: Rhinitis and nasal polyps in asthma.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001249:Asthma / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009298:Nasal Polyps / Q000150:complications* / Q000453:epidemiology; D006255:Rhinitis, Allergic, Seasonal / Q000150:complications* / Q000453:epidemiology