title: Abbreviated methacholine challenge: how safe are short procedures?
authors.forename: Ephraim
authors.initials: E
authors.lastname: Bar-Yishay
mesh_terms: D000465:Algorithms; D016535:Bronchial Hyperreactivity; D001985:Bronchial Provocation Tests; D016085:Bronchoconstrictor Agents; D006801:Humans; D016210:Methacholine Chloride; D013997:Time Factors
chemical_list: D016085:Bronchoconstrictor Agents; D016210:Methacholine Chloride