Abadi, A. “The Correlation Between Histologic Placentitis and Amnionitis and the Amnioniotic fluid’s Inflammatory Cytokines in Case of Spontaneous Pre-Term Labor With Intact Membrane”. Medical Journal of Indonesia, vol. 10, no. 4, Nov. 2001, pp. 203-9, doi:10.13181/mji.v10i4.34.