作者单位:
Univ N Carolina, Div Global Womens Hlth, Dept Obstet & Gynecol, Chapel Hill, NC 27515 USA
[1]
Univ N Carolina, Div Gen Obstet & Gynecol, Dept Obstet & Gynecol, Chapel Hill, NC 27515 USA
[2]
Duke Univ, Dept Obstet & Gynecol, Div Maternal Fetal Med, Durham, NC USA
[3]
Univ N Carolina, Div Maternal Fetal Med, Dept Obstet & Gynecol, 3010 Old Clin Bldg,CB 7516, Chapel
[4]
发布时间
2021-03-16