Canzoneri BJ, Grotegut CA, Swamy GK, Brancazio LR, Sinclair T, Heine PR, Murtha AP. Maternal serum interleukin-6 levels predict impending funisitis in preterm premature rupture of membranes after completion of antibiotics. J Matern Fetal Neonatal Med. 2012 Aug; 25(8):1329-32.