海量图书期刊资源，随时随地畅享阅读乐趣
Severity of asthma in pregnancy affects perinatal outcomesN Jana; N Arora; S Barik · 2012
A meta-analysis of adverse perinatal outcomes in women with asthmaVE Murphy; JA Namazy; H Powell; M Schatz; C Chambers; J Attia; PG Gibson · 2011