title: Standardised methodology of sputum induction and processing. Future directions.
mesh_terms: D001249:Asthma / Q000175:diagnosis*; D015415:Biomarkers / Q000032:analysis; D001985:Bronchial Provocation Tests / Q000592:standards / Q000639:trends*; D005260:Female; D005544:Forecasting; D006801:Humans; D018836:Inflammation Mediators / Q000032:analysis*; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D013048:Specimen Handling / Q000592:standards / Q000639:trends; D013183:Sputum / Q000737:chemistry* / Q000166:cytology*
chemical_list: D015415:Biomarkers; D018836:Inflammation Mediators