VSD --> ventricular septal defect
(Science: cardiology, embryology) A congenital heart defect where an abnormal opening exists in the ventricular septum. Blood flows from the higher pressure left ventricle (through the defect) into the right ventricle.
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... about the Vaccine Safety Datalink Data Sharing program. In February, the new panel, composed of different scientists, criticized the way the VSD had been used in the Verstraeten study, and urged the CDC to make its vaccine database available to the public. So far, though, only two scientists ...
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