Y. Selanno, Y. Widaningsih, T. Esa, and M. Arif, “Analysis of Neutrophil Lymphocyte Ratio and Absolute Lymphocyte Count as Predictors of Severity of COVID-19 Patients”, Indonesian J. Clin. Pathol. Med. Lab., vol. 27, no. 2, pp. 184–189, Apr. 2021.