Soejono CH, Sutanto H. The functional status, rehospitalization, and hospital cost reduction in geriatric patients after the implementation of the universal health coverage program in the national referral hospital Indonesia. Med J Indones [Internet]. 2019 Dec. 13 [cited 2025 May 11];28(4):358-64. Available from: http://mji.ui.ac.id/journal/index.php/mji/article/view/3214