Effect of saliva contamination on induced sputum cell counts, IL‐8 and eosinophil cationic protein levels
J.L. Simpson, N.L. Timmins, K. Fakes, P.I. Talbot, P.G. Gibson
European Respiratory Journal May 2004, 23 (5) 759-762; DOI: 10.1183/09031936.04.00043104a