Spontaneous changes of airway hyperresponsiveness in bronchial asthma.
D000375:Aging / Q000502:physiology; D000402:Airway Obstruction / Q000503:physiopathology; D001249:Asthma / Q000503:physiopathology*; D001985:Bronchial Provocation Tests / Q000379:methods*; D001986:Bronchial Spasm / Q000503:physiopathology*; D006801:Humans