Biomarker surrogates do not accurately predict sputum eosinophil and neutrophil percentages in asthmatic subjects.
Hastie AT, Moore WC, Li H, Rector BM, Ortega VE, Pascual RM, Peters SP, Meyers DA, Bleecker ER. Biomarker surrogates do not accurately predict sputum eosinophil and neutrophil percentages in asthmatic subjects. J Allergy Clin Immunol. 2013 Jul; 132(1):72-80.