title: Methacholine challenge and sputum induction.
authors.forename: N R
authors.initials: NR
authors.lastname: Labiris
authors.forename: F E
authors.initials: FE
authors.lastname: Hargreave
mesh_terms: D001249:Asthma / Q000378:metabolism / Q000473:pathology; D001798:Blood Proteins / Q000032:analysis*; D016085:Bronchoconstrictor Agents; D047091:Eosinophil Granule Proteins; D006801:Humans; D016210:Methacholine Chloride; D012260:Ribonucleases; D013183:Sputum / Q000737:chemistry / Q000166:cytology
chemical_list: D001798:Blood Proteins; D016085:Bronchoconstrictor Agents; D047091:Eosinophil Granule Proteins; D016210:Methacholine Chloride; D012260:Ribonucleases