Affandi, Biran, H.M. Hoesni, R.P. Barus, Rizani Amran, Fitriani Iskandar, N.P. Noerpramono, Lila Dewata, W. Ngartjono, Agus Sopacua, Tjeerd Korver, T.B. Paul Geurts, and H.J.T Coelingh Bennink. “A Multicentred Phase III Comparative Study Between Single-Implant Containing 3-Ketodesogestrel (Implanon®) and Implants Containing Levonorgestrel (Norplant®) II. Vaginal Bleeding Patterns”. Medical Journal of Indonesia 8, no. 1 (January 1, 1999): 56-61. Accessed March 29, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/678.