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Table 2 Allergen concentrations at screening and corresponding cumulative concentration received during NAC

From: The Allergic Rhinitis Clinical Investigator Collaborative (AR-CIC): verification of nasal allergen challenge procedures in a study utilizing an investigational immunotherapy for cat allergy

Screening challenge dilution

Actual (cumulative) dose delivered at NAC Visit

1:128

1:128

1:32

1:24

1:8

1:6

1:2

1:2