Expression of the placental cytokines tumor necrosis factor alpha, interleukin 1 beta, and interleukin 10 is increased in preeclampsia. - Rinehart,B.K.; Terrone,D.A.; Lagoo-Deenadayalan,S.; Barber,W.H.; Hale,E.A.; Martin,J.N. (Amer J Obstet Gynecol, 1999)