TY - RPRT TI - Current cup designs for obstetric vacuum extraction. AU - J A Kuit AU - H C Wallenburg AU - F J Huikeshoven PY - 1992 DO - 10.1111/j.1471-0528.1992.tb14450.x UR - https://pubmed.ncbi.nlm.nih.gov/1308122/ ID - 1308122 ER -