Hagman, K., Hedenstierna, M., Gille-Johnson, P., Hammas, B., Grabbe, M., Dillner, J., & Ursing, J. (2020). Severe Acute Respiratory Syndrome Coronavirus 2 RNA in Serum as Predictor of Severe Outcome in Coronavirus Disease 2019: A Retrospective Cohort Study. Clin Infect Dis.

Hagman, Karl, Magnus Hedenstierna, Patrik Gille-Johnson, Berit Hammas, Malin Grabbe, Joakim Dillner, and Johan Ursing. "Severe Acute Respiratory Syndrome Coronavirus 2 RNA in Serum As Predictor of Severe Outcome in Coronavirus Disease 2019: A Retrospective Cohort Study." Clin Infect Dis 2020.

Hagman, Karl, et al. "Severe Acute Respiratory Syndrome Coronavirus 2 RNA in Serum As Predictor of Severe Outcome in Coronavirus Disease 2019: A Retrospective Cohort Study." Clin Infect Dis 2020.