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