TY  - BOOK
AU  - Sue-Jar Chen
TI  - Factors associated with obstetric anal sphincter injuries during vacuum delivery among Chinese women
SN  - 00207292
PY  - 2019///
N1  - Serial; 30927442; 7478879; 145; 3; https://doi.org/10.1002/ijgo.12813; Document_7478879_94404.pdf
ER  -