%0 Letter %T Guideline for perioperative obstetrical care highlights evidence gap related to timing of urinary catheter removal after elective cesarean delivery. %A Nelson G %A Wilson RD %A Macones GA %J Am J Obstet Gynecol %V 222 %N 6 %D 06 2020 %M 31981508 %F 10.693 %R 10.1016/j.ajog.2020.01.039 %X