1.
Koothan V. A systematic review of risk factors, obstetric and perinatal outcomes in COVID-19 infection in pregnancy. Int J Reprod Contracept Obstet Gynecol [Internet]. 2022 Sep. 27 [cited 2025 Oct. 26];11(10):2809-18. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/12070