169: Late preterm birth: an iatrogenic epidemic?

• 作者Erin A.S. Clark; Jeff M. Denney; Corette Parker; Norma Pugh; Michael Varner; Robert M. Silver
• 卷第201卷
• 印刷ISSN0002-9378
• 电子ISSN1097-6868
• 文件大小103.49KB
• 发表时间2009
• DOI10.1016/j.ajog.2009.10.184