Importance of Using Markers of Dilution When Measuring Inflammatory Mediators in Nasal Lavage FluidNoah, Terry L.Author informationDepartment of Pediatrics, Division of Pulmonary Medicine and Allergy, University of North Carolina at Chapel HillCorrespondence: Dr. Terry L. Noah, 635 Burnett-Womack Bldg., Campus Box 7220, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7220.All rights reserved.0022-1899/96/7304-0048$01.00Journal of Infectious Diseases 173(4):p 1050, April 1996.Copyright © Copyright Oxford University Press 1996.