D., E., M.(2008).Environmental Factors and Asthma : What We Learned from Epidemiological Studies - Immunology and Allergy Clinics of North America, Vol. 28 .Philadelphia:Elsevier.
Gaya MLA
D., E., M..Environmental Factors and Asthma : What We Learned from Epidemiological Studies - Immunology and Allergy Clinics of North America, Vol. 28.Philadelphia:Elsevier,2008.Text.