Familial Hemophagocytic Lymphohistiocytosis Macrophages Showing Immunohistochemical Properties of Activated Macrophages and T-Accessory CellsHansmann, M. L.; Rontogianni, D.; Janka-Schaub, C. E.; Wacker, H. H.; Hinkeldey, K.; Radzun, H. J. · Pediatric Hematology-Oncology · 1989