E. R. Gunardi, A. R. Malik, F. Oktavianti, R. Meria, F. Ardianto, and C. Marian, “Acceptor Comment of PostPlacental Copper T380A Intrauterine Device”, Indones J Obstet Gynecol, vol. 5, no. 1, pp. 19–22, Jun. 2017.