E. R. Gunardi and J. T. Sitorus, “Profile Changes in Weight and Body Mass Index of Single Rod Levonorgestrel Implant Acceptor (Monoplant®): Profil Perubahan Berat Badan dan Indeks Masssa Tubuh Akseptor Implan Levonorgestrel Satu Batang (Monoplant®)”, Indones J Obstet Gynecol, vol. 8, no. 1, pp. 19–27, Jan. 2020.