Alukal, A. T., R. C. Raveendran, and L. George. “PPIUCD: Awareness and Reasons for Non-Acceptance”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 7, no. 2, Jan. 2018, pp. 582-6, doi:10.18203/2320-1770.ijrcog20180176.