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Methacholine challenge: comparison of two methods.

Authors
Type
Published Article
Journal
Chest
Publication Date
Volume
127
Issue
3
Pages
839–844
Identifiers
PMID: 15764765
Source
Medline
License
Unknown

Abstract

The tidal-breathing method, which exposes the subject to twice as much aerosol at each concentration, produced approximately twice the response. The total lung capacity maneuvers with breathhold during the dosimeter method may inhibit the response in some patients with asthma.

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