1. 
   Ffr
   French franc, sometimes just FF is used (Abbreviation).
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   FFR
   <abbreviation> Fellow of the Faculty of Radiologists. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?FFR
   
   
3. 
   FFR
   French franc
   Found op http://www.encyclo.co.uk/local/21049
   
   
4. 
   FFR
   Fellow of the Faculty of Radiologists
   Found op http://munksroll.rcplondon.ac.uk/Home/Glossary
   
   
5. 
   ffr
   1) French franc, sometimes just ff is used
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/ffr/1
   
   

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