1. Expert panel report: guidelines for the diagnosis and management of asthma update on selected topics–2002;National Asthma Education and Prevention Program;J Allergy Clin Immunol.,2002
2. The effects of pregnancy on asthma: a prospective study;Gluck;Ann Allergy.,1976
3. Variables affecting asthma course during pregnancy;Kircher;Ann Allergy Asthma Immunol.,2002
4. Effect of pregnancy on asthma: a systematic review and meta-analysis.;Juniper,1993
5. Asthma morbidity during pregnancy can be predicted by severity classification;Schatz;J Allergy Clin Immunol.,2003