title: Extrapolation of methacholine PC(20).
authors.forename: Beth E
authors.initials: BE
authors.lastname: Davis
authors.forename: Donald W
authors.initials: DW
authors.lastname: Cockcroft
mesh_terms: D016535:Bronchial Hyperreactivity / Q000175:diagnosis*; D001985:Bronchial Provocation Tests / Q000379:methods; D004305:Dose-Response Relationship, Drug; D005260:Female; D005541:Forced Expiratory Volume / Q000187:drug effects*; D006801:Humans; D008297:Male; D016210:Methacholine Chloride / Q000008:administration & dosage; D012129:Respiratory Function Tests; D012189:Retrospective Studies; D012680:Sensitivity and Specificity
chemical_list: D016210:Methacholine Chloride