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. 2012 Dec 13;2012:674204. doi: 10.6064/2012/674204

Table 3.

Differential diagnosis of asthma at school age.

Hyperventilation and vocal cord dysfunction  
Malformations of the airway anatomy  
(Undiagnosed) cardiac anomalies  
Cystic fibrosis  
Primary cilliairy dyskinesia  
Foreign body in the airway  
Immune deficiencies