作者单位:
Zunyi Med Univ, Affiliated Hosp 3, Peoples Hosp Zunyi City 1, Dept Obstet, Zunyi 563000, Guizhou, Peoples R China
[1]
Huaian Maternal & Child Hlth Care Ctr, Dept Gynaecol & Obstet, Huaian City 223002, Jiangsu, Peoples R China
[2]
Nanchang Univ, Affiliated Hosp 1, Dept Ultrasound, Nanchang 330006, Jiangxi, Peoples R China
[3]
发布时间
2021-09-29