Setiawati, Indri, et al. “Differences in RDW Values of COVID-19 Patients With Pneumonia and Without Pneumonia at RSUM and RSUDP NTB”. Jurnal Biologi Tropis, vol. 23, no. 1, Nov. 2023, pp. 68-74, doi:10.29303/jbt.v23i1.5849.