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2. Single extra-amniotic injection of prostaglandins in viscous gel to induce abortion;Mackenzie;Br. J. Obstet. Gynaecol.,1976
3. Limitations of a single extraamniotic injection of prostaglandins in viscous gel to induce midtrimester abortion;Craft;Gynecol. Obstet. Invest.,1978
4. Comparison of prostaglandin E2 and intravenous oxytocin for induction of labor;Ulmsten;Obstet. Gynecol.,1979
5. Stampe Sørensen, S., Brocks, V. & Lenstrup, C.: Double-blind trial of intracervical prostaglandin E2 and buccal demoxytocin in cervical ripening and induction of labor. Obstet. Gynecol. Accepted for publication.