Asthma is a disease of the respiratory tract of an inflammatory etiology of a non-infectious nature, which is characterized by a chronic course. The attack develops after the stage of precursors, its onset is evidenced by
The main manifestations of bronchial asthma: the first signs and main symptoms
Asthma is a disease of the respiratory tract of an inflammatory etiology of a non-infectious nature, which is characterized by a chronic course. The attack develops after the stage of precursors, its onset is evidenced by