{Reference Type}: Letter {Title}: Guideline for perioperative obstetrical care highlights evidence gap related to timing of urinary catheter removal after elective cesarean delivery. {Author}: Nelson G;Wilson RD;Macones GA; {Journal}: Am J Obstet Gynecol {Volume}: 222 {Issue}: 6 {Year}: 06 2020 {Factor}: 10.693 {DOI}: 10.1016/j.ajog.2020.01.039 {Abstract}: