Provocative tests. Inhalation of an M-cholinostimulator – methacholine – causes bronchospasm in most patients with bronchial asthma , a history of bronchial asthma, and also in patients with allergic diseases of the upper respiratory tract . Bronchospasm with inhalation of methacholine is observed in less
Bronchial asthma: studies, provocative tests
Provocative tests. Inhalation of an M-cholinostimulator – methacholine – causes bronchospasm in most patients with bronchial asthma , a history of bronchial asthma, and also in patients with allergic diseases of the upper respiratory tract . Bronchospasm with inhalation of methacholine is observed in less