Holfelder K, Schittenhelm J, Trautmann K, Haybaeck J, Meyermann R, Beschorner R. De novo expression of the hemoglobin scavenger receptor CD163 by activated microglia is not associated with hemorrhages in human brain lesions. Histol Histopathol. 2011 Aug;26(8):1007–17. doi: 10.14670/hh-26.1007. PMID: 21692033.