title: Direct or indirect stimuli for bronchial challenge testing: what is the relevance for asthma epidemiology?
authors.affiliation: Institute for Risk Assessment Sciences, Environmental & Occupational Health, Utrecht University, The Netherlands. G.demeer@iras.uu.nl
authors.forename: G
authors.initials: G
authors.lastname: de Meer
authors.forename: G B
authors.initials: GB
authors.lastname: Marks
authors.forename: D S
authors.initials: DS
authors.lastname: Postma
mesh_terms: D000241:Adenosine; D001249:Asthma / Q000175:diagnosis* / Q000453:epidemiology; D016535:Bronchial Hyperreactivity; D001985:Bronchial Provocation Tests; D016085:Bronchoconstrictor Agents; D006632:Histamine; D006801:Humans; D016210:Methacholine Chloride; D011237:Predictive Value of Tests; D015995:Prevalence
chemical_list: D016085:Bronchoconstrictor Agents; D016210:Methacholine Chloride; D006632:Histamine; D000241:Adenosine