D. S. . Kochar, D. . S. . Kanwar, D. S. Chaudhary, D. M. . Chaudhary, and 5Dr. M. . Kumawat, “A Prospective Observational Study to Correlate Ultrasound Guided Detection of Position of Postpartum Intra-Uterine Contraceptive Device and Its Relation to Complications”, IJMBS, vol. 7, no. 2, pp. 15–21, Feb. 2023.