Risk factors for atrial septal defect
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J. Tikkanen; O. P. Heinonen
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Article
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1992
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Springer
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English
β 613 KB
The possible effect of environmental factors during pregnancy on the occurrence of atrial septal defect (ASD-secundum) in the offspring was studied in 50 cases and 756 controls. The cases represented all verified ASDs in Finland during 1982-1983. The controls were randomly selected from all infants