1. 1. Aruna Nigam, Ratna Biswas, Archana Mishra. Misplaced intrauterine contraceptive device: an enigma. Case series - Open Access Journal of Contraception; 15 December. 2010.
2. 2. Howkins and Bourne; Birth control and medical termination of pregnancy, Shaw's text book of Gynaecology; 15th ed. editors. V G Padubidri, S N Daftry Elsevier: 2011. p. 229 - 230.
3. 3. Ibid, 169.
4. 4. S.R. Singhal, D.S. Marwah, A. Paul, S.K. Singhal. Missed Intra Uterine Device: A Rare Indication for Appendicectomy Review of Literature. East and Central African Journal of Surgery. July/August 2010; Volume 15: Number 2.
5. 5. Thai Orawan Tangtongpet MD, Wicharn Choktanasiri MD, Sanya Patrachai MD, Nathpong Israngura Na Ayudhya MD. Intrauterine Location and Expulsion of Intrauterine Device. Journal of Obstetrics and Gynaecology. March 2003; Vol. 15: p. 45 -50.