Widjanantie, S. C., E. Burhan, and A. D. Susanto. “Physical Medicine and Rehabilitation Approach of Elderly With Atypical COVID-19 Symptoms”. Surabaya Physical Medicine and Rehabilitation Journal, vol. 6, no. 2, Aug. 2024, pp. 184-9, doi:10.20473/spmrj.v6i2.51713.