Shatri, Hamzah, Abigail Prasetyaningtyas, Rudi Putranto, and Ikhwan Rinaldi. “Palliative Prognostic Index Validation in Hospitalized Advanced Cancer Patients in Indonesia Tertiary Hospitals”. Acta Medica Indonesiana 53, no. 4 (January 10, 2022): 442. Accessed December 23, 2025. http://www.actamedindones.org/index.php/ijim/article/view/1800.