摘要
<正>
1原文摘要Abnormalflowintheductusvenosusat11-13weeksofgestationisassociatedwithincreasedriskfortrisomy21andotherchromosomalabnorma-lities.Ineuploidfetuses,abnormalflowintheductusvenosusisassociatedwithanincreasedriskforcardiacdefects.However,moststudiesexaminingsucha
正>
出版日期
2008年02月12日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)