APA Citation

Etzel, R. A. (1999). Air pollution and bronchitic symptoms in Southern California children with asthma.

Citação norma Chicago

Etzel, R A. Air Pollution and Bronchitic Symptoms in Southern California Children With Asthma. 1999.

MLA Citation

Etzel, R A. Air Pollution and Bronchitic Symptoms in Southern California Children With Asthma. 1999.

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