D. S, D. S. A study in a teritary centre for clinical assessment of pelvic inflammatory disease risk among women attending outpatient department. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Aug. 28 [cited 2025 Oct. 2];6(9):3823-7. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/3404