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Regional airflow distribution in NAO and healthy cohorts. (A,B) Coronal section D=0.3. (C,D) Coronal section D=0.5. (E,F) Coronal section D=0.7. Single asterisk (*) denotes statistically significant differences at level p < 0.05. Double asterisk (**) denotes statistically significant differences at level p < 0.0002.
