Zalzstein, E A case-control study on the association between first trimester exposure to lithium and Ebstein's anomaly. [electronic resource] - The American journal of cardiology Mar 1990 - 817-8 p. digital Publication Type: Journal Article ISSN: 0002-9149 Standard No.: 10.1016/0002-9149(90)91398-p doi Subjects--Topical Terms: Abnormalities, Drug-Induced--epidemiologyAdultBipolar Disorder--drug therapyCase-Control StudiesEbstein Anomaly--chemically inducedFemaleHumansInfant, NewbornLithium--adverse effectsLithium CarbonateOntario--epidemiologyPregnancyPregnancy Complications--drug therapyPregnancy Trimester, First