title: Sample size calculations and methacholine challenge tests.
authors.forename: M D
authors.initials: MD
authors.lastname: Inman
authors.forename: G
authors.initials: G
authors.lastname: Norman
mesh_terms: D001985:Bronchial Provocation Tests / Q000706:statistics & numerical data*; D016085:Bronchoconstrictor Agents; D006801:Humans; D016210:Methacholine Chloride; D018401:Sample Size
chemical_list: D016085:Bronchoconstrictor Agents; D016210:Methacholine Chloride