Irianto, K. A., N. Widajanti, E. Julianto, S. Ien, R. T. Panggabean, and Y. P. Kloping. “A Beneficial Bipolar Hemiarthroplasty on a Centenarian in One Developing Country”. Acta Medica Indonesiana, vol. 53, no. 2, July 2021, p. 202, https://actamedindones.org/index.php/ijim/article/view/1011.