Spoerl, S., Kremer, A. N., Aigner, M., Eisenhauer, N., Koch, P., Meretuk, L., Löffler, P., Tenbusch, M., Maier, C., Überla, K., Heinzerling, L., Frey, B., Lutzny‐Geier, G., Winkler, T. H., Krönke, G., Vetter, M., Bruns, H., Neurath, M. F., Mackensen, A., Kremer, A. E., & Völkl, S. (2021). upregulation of CCR4 in activated CD8+ T cells indicates enhanced lung homing in patients with severe acute SARS‐CoV‐2 infection. European journal of immunology, 51(6), 1436–1448. http://access.bl.uk/ark:/81055/vdc_100132241115.0x000057