Unusual complications of acute bronchial asthma.
D000208:Acute Disease; D001249:Asthma / Q000150:complications*; D004646:Emphysema / Q000209:etiology*; D006801:Humans; D008478:Mediastinal Emphysema / Q000209:etiology*; D011030:Pneumothorax / Q000209:etiology*