1. 
   NDF
   acronym: Narrative Data File
   Found op http://cdiac.ornl.gov/pns/acronyms.html#N
   
   
2. 
   NDF
   Also known as Nannocolloidal Detox Factors - an agent used in Chelation
   Found op http://www.researchautism.net/glossary.ikml?l=n
   
   
3. 
   NDF
   A synthetic foreign currency forward contract on a non-convertible or thinly traded currency. These generally settle in the investor`s base currency with terms set against an agreed posted or dealer rate....
   Found op http://www.oenb.at/dictionary/termini.jsp?EINTRAG_ID=3721
   
   
4. 
   ndf
   1) Narrative data file
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/ndf/1
   
   

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