Khoury, M J On the measurement and interpretation of birth defect associations in epidemiologic studies. [electronic resource] - American journal of medical genetics Oct 1990 - 229-36 p. digital Publication Type: Journal Article ISSN: 0148-7299 Standard No.: 10.1002/ajmg.1320370213 doi Subjects--Topical Terms: Abnormalities, Drug-InducedAbnormalities, Multiple--epidemiologyCluster AnalysisCongenital Abnormalities--epidemiologyHumansInfant, NewbornIsotretinoin--adverse effectsMathematics