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Search results with tag "A merican thoracic society"
American Thoracic Societv
www.thoracic.orgAmerican Thoracic Societv Guidelines for Methacholine and Exercise Challenge Testing-1999 THIS OFFICIAL STA.TEMENT OF THE A MERICAN THORACIC SOCIETY W AS ADORED BY THE ATS BOARD OF D IRECTORS, JULY 1999 I. Purpose and Scope II. Methacholine Challenge Testing