Increased serum levels of tumor necrosis factor alpha precede major complications of bone marrow transplantation - Holler, E; Kolb, H J; Moller, A; Kempeni, J; Liesenfeld, S; Pechumer, H; Lehmacher, W; Ruckdeschel, G; Gleixner, B; Riedner, C; Ledderose, G; Brehm, G; Mittermuller, J; Wilmanns, W (Blood, 1990)