National Asthma Education and Prevention Program (2005). Working Group Report on Managing Asthma During Pregnancy: Recommendations for Pharmacologic Treatment Update 2004 (NIH Publication No. 05-5236). Available online: http://www.nhlbi.nih.gov/health/prof/lung/asthma/astpreg.htm.
American College of Obstetricians and Gynecologists (2008, reaffirmed 2009). Asthma in pregnancy. ACOG Practice Bulletin No. 90. Obstetrics and Gynecology, 111(2): 457–464.
Silverman M, et al. (2005). Outcome of pregnancy in a randomized controlled study of patients with asthma exposed to budesonide. Annals of Allergy, Asthma, and Immunology, 95(6): 566–570.