作者单位:
W Virginia Univ, Dept Obstet & Gynecol, Charleston, WV 25304 USA
[1]
Charleston Area Med Ctr Hlth Educ & Res Inst, Ctr Hlth Serv & Outcomes Res, Charleston, WV USA
[2]
NYU, Dept Obstet & Gynecol, Langone Med Ctr, New York, NY 10016 USA
[3]
发布时间
2017-04-05