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Table 1 Study design.

From: Systemic and local eosinophil inflammation during the birch pollen season in allergic patients with predominant rhinitis or asthma

 

Visit 1 Inclusion

Visit 2 Baseline out of season

Visit 3 Birch pollen season

Blood sample

x

x

x

Spirometry

x

x

x

Skin prick test

x

  

Specific IgE for birch

x

  

Nasal lavage

 

x

x

Induced sputum

 

x

x

Diary

   

   - symptoms

  

x

   - medication

  

x

   - PEFR

  

x

  1. x: performed investigations at each visit
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Clinical and Molecular Allergy

ISSN: 1476-7961

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