A positive methacholine challenge test in the absence of symptoms.
Haynes
Jeffrey M
JM
Department of Respiratory Therapy, St Joseph Hospital, Nashua NH 03060, USA. jhaynes@sjh-nh.org
D000328:Adult; D005260:Female; D006801:Humans; D016210:Methacholine Chloride; D010101:Oxygen Consumption / Q000187:drug effects*; D012129:Respiratory Function Tests / Q000379:methods*; D014481:United States
D016210:Methacholine Chloride