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2. Reproducibility of nasal peak inspiratory flow among healthy adults: assessment of epidemio-logic utility;Cho;Chest,1997
3. Peak nasal inspiratory flow and Wright peak flow: a comparison of their reproducibility;Enberg;Ann Allergy,1991
4. Correlation of subjective sensation of nasal patency with nasal inspiratory peak flow rate;Fairley;Clin Otolaryngol,1993
5. The objective assessment of nasal patency;Jones;Clin Otolaryngol,1991