Killick, S R A comparison of prostaglandin E2 pessaries and laminaria tents for ripening the cervix before termination of pregnancy. [electronic resource] - British journal of obstetrics and gynaecology May 1985 - 518-21 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0306-5456 Standard No.: 10.1111/j.1471-0528.1985.tb01358.x doi Subjects--Topical Terms: Abortion, Therapeutic--methodsAdolescentAdultCervix Uteri--drug effectsDinoprostoneFemaleHumansLaminariaMiddle AgedPessariesPregnancyProstaglandins E--administration & dosageRandom AllocationSeaweed