S. Pongsatha, S. Chaovisitsaree, T. Tongsong, and J. Srisomboon, “Effectiveness of Oral Misoprostol in Termination of Second Trimester Pregnancy with Dead Fetus in Utero”, Thai J Obstet Gynaecol, vol. 10, no. 4, pp. 213–218, Dec. 1998.