Lipopolysaccharide-induced tumor necrosis factor alpha production by human monocytes involves the raf-1/MEK1-MEK2/ERK1-ERK2 pathway - van der Bruggen,T.; Nijenhuis,S.; van Raaij,E.; Verhoef,J.; van Asbeck,B.S. (Infect Immun, 1999)