[Rising prevalence, high cost. Hay fever remains a challenge].
Grevers
Gerhard
G
D003430:Cross-Sectional Studies; D005858:Germany; D017048:Health Care Costs / Q000639:trends*; D006801:Humans; D009313:National Health Programs / Q000191:economics*; D006255:Rhinitis, Allergic, Seasonal / Q000191:economics* / Q000453:epidemiology*