Putra, K. M., Nur Riviati, and Djunaidi AR. “Clinical Correlations Delirium and Other Comorbid in Elderly With COVID-19 Infection”. Bioscientia Medicina : Journal of Biomedicine and Translational Research, Vol. 5, no. 10, June 2021, pp. 949-52, doi:10.32539/bsm.v5i10.361.