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3. Misoprostol and ilegal abortion in Fortaleza, Brazil;Coêlho;Lancet,1993
4. Sócio-demographic, reproductive, and clinical characteristics of abortion patients hospitalized in southern Brazil;Fonseca;Rep Public Health,1998
5. Use of misoprostol in obstetrics and gynecology;Song;Obstet Gynecol Surv,2000