Soman S, Nair SS, J. N. J, K. R, John Kurien A. OASIS: clinical audit in a tertiary care centre. Int J Reprod Contracept Obstet Gynecol [Internet]. 2018 Apr. 28 [cited 2026 Feb. 2];7(5):1958-62. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/4590