[French magazine] VSD is a French weekly news, celebrity and leisure magazine, published on Thursdays. The name is formed from the first letters of the French names for Friday (Vendredi), Saturday (Samedi) and Sunday (Dimanche). VSD was first published on 9 September 1977 by Maurice Siegel. After Siegel`s death in 1985, direction passed to ...
Found on
http://en.wikipedia.org/wiki/VSD_(French_magazine)

Synonym for ventricular septal defect ... <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. ... (12 Jan 1998) ...
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http://www.encyclo.co.uk/local/20973

VSD: A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the ventricles). VSD is the most common type of heart malformation (congenital heart disease). At least 1 baby in every 500 is born with a VSD. A VSD lets blood from the left ventricle (where it is under relatively high pressure) shunt into th...
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http://www.medterms.com/script/main/art.asp?articlekey=6008

Ventricular septal defect
Found on
http://www.translationdirectory.com/glossaries/glossary124.htm

Virtually safe dose
Found on
https://sis.nlm.nih.gov/enviro/iupacglossary/annex1.html
No exact match found.