1Dombrowski MP,Schatz M.ACOG Committee on Practice Bulletins-Obstetrics.ACOG practice bulletin:Clinical management guidelines for obstetrician gynecologists number 90,February 2008:asthma in pregnancy[J].Obstet Gynecol,2008,111:457-64.
3Blais L, Kettani FZ, Elftouh N, Forget A. Effect of maternal asthma on the risk of specific congenital malformations: a population-based cohort study [J]. Birth Defects Res A Clin Mol Teratol,2010,88(4):216-222.
4MurphyV, Namazy J, Powelllt, et al.A meta-analysis of adverse perinatal outcomes in women with asthma [J]. BJOG,2011,118:1314-1323.
5Lim A, Stewart K, Abramson M, et al. Asthma during Pregnancy: The Experiences, Coneerns and Views of Pregnant Women with Asthma. Journal ,Of Asthma [serialonline] [J]. 2012,49 (5): 474-479.
