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Abnormality of the pulmonary veins
- ... com/home/children-s-health-issues/chromosome-and-gene-abnormalities/trisomy-18 National Heart, Lung, and Blood Institute [Internet]. Bethesda (MD): U.S. Department ...
- ... should get a Pap smear to check for abnormalities in the cervix. These include precancerous changes which ... professional will take a blood sample from a vein in your arm, using a small needle. After ...
