TY  - RPRT
TI  - Current cup designs for obstetric vacuum extraction.
AU  - D Eustace
PY  - 1993
DO  - 10.1111/j.1471-0528.1993.tb15325.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8334104/
ID  - 8334104
ER  -