Abenhaim, Haim A Incidence and risk factors of amniotic fluid embolisms: a population-based study on 3 million births in the United States. [electronic resource] - American journal of obstetrics and gynecology Jul 2008 - 49.e1-8 p. digital Publication Type: Journal Article ISSN: 1097-6868 Standard No.: 10.1016/j.ajog.2007.11.061 doi Subjects--Topical Terms: AdultCesarean Section--adverse effectsCohort StudiesEmbolism, Amniotic Fluid--epidemiologyFemaleHumansIncidenceMaternal AgePlacenta PreviaPregnancyPregnancy OutcomeRisk FactorsUnited States--epidemiology