Boel, Machteld Elisabeth Castor oil for induction of labour: not harmful, not helpful. [electronic resource] - The Australian & New Zealand journal of obstetrics & gynaecology Oct 2009 - 499-503 p. digital Publication Type: Journal Article ISSN: 1479-828X Standard No.: 10.1111/j.1479-828X.2009.01055.x doi Subjects--Topical Terms: AdolescentAdultCastor Oil--administration & dosageFemaleHumansLabor, Induced--methodsMiddle AgedMyanmarOxytocics--administration & dosagePregnancyProportional Hazards ModelsRetrospective StudiesThailandYoung Adult