Irianto, Komang Agung, Novira Widajanti, Eko Julianto, Swen Ien, Ronald T.M Panggabean, and Yudhisthira Pradnyan Kloping. 2021. “A Beneficial Bipolar Hemiarthroplasty on a Centenarian in One Developing Country”. Acta Medica Indonesiana 53 (2):202. https://www.actamedindones.org/index.php/ijim/article/view/1011.