ASSOCIATION BETWEEN OZONE EXPOSURE AND PREVALENCE OF ASTHMA RHINITIS AND RESPIRATORY SYMPTOMS IN URBAN ELEMENTARY SCHOOL CHILDREN IN TORREÓN COAHUILA MÉXICO.

2011 ◽  
Vol 2011 (1) ◽  
Author(s):  
Guillén Mario A. Rivera ◽  
Salazar MF. Sanmiguel ◽  
Murillo MT. Girón ◽  
García A. Saldaña ◽  
Salcedo JJ. García ◽  
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Author(s):  
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Yangho Kim ◽  
Cheol-In Yoo ◽  
Ho Seok Suh ◽  
In-Bo Oh ◽  
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