Reference:
1. Olson DM, Ammann C. Role of the prostaglandins in labour and prostaglandin receptor inhibitors in the prevention of preterm labour. Front Biosci. 2007;12:1329-43.
2. Briggs GG, Freeman RK & Yaffe SJ: Drugs in Pregnancy and Lactation: a Reference Guide to Fetal and Neonatal Risk, 8th ed. Williams & Wilkins, Baltimore, MD, 2008.
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