TY - GEN AU - Waring,G J AU - Shawer,S AU - Hinshaw,K TI - The use of O-ring retractors at Caesarean section : A systematic review and meta analysis SN - 1872-7654 PY - 2018///1213 KW - Blood Loss, Surgical KW - Cesarean Section KW - adverse effects KW - Female KW - Humans KW - Operative Time KW - Pregnancy KW - Surgical Wound Infection KW - etiology N1 - Publication Type: Journal Article; Meta-Analysis; Systematic Review UR - https://doi.org/10.1016/j.ejogrb.2018.06.037 ER -