1. 
   PUO
   Pyrexia of Unknown Origin - meaning a high temperature which can't be explained at the moment.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   puo
   Pyrexia of unknown origin. This term is now more commonly referred to as FUO: Fever of unknown origin.
   Found op http://www.bmb.leeds.ac.uk/mbiology/ug/ugteach/icu8/glossary/glossary.html
   
   
3. 
   PUO
   <abbreviation> Pyrexia of unknown (or uncertain) origin, a term applied to febrile illness before diagnosis has been established; also referred to as FUO (fever of unknown origin). ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?PUO
   
   
4. 
   PUO
   pyrexia of unknown origin.
   Found op http://www.encyclo.co.uk/local/21001
   
   
5. 
   PuO
   Plutonium(II) Oxide Molar mass: 259.9994
   Found op http://www.convertunits.com/molarmass/Plutonium(II)+Oxide
   
   
6. 
   PUO
   Prohibited User Operation. Optional button instructions written into the authored DVD. Often used to disallow buttons from functioning. For example, during the FBI warning on commercial discs, a PUO usually prevents it being skipped by pressing menu or FF buttons.
   Found op http://www.videohelp.com/glossary?P
   
   
7. 
   PUO
   Type: Abbreviation Definitions: 1. Abbreviation for pyrexia of unknown (or uncertain) origin, a term applied to febrile illness before diagnosis has been established; also referred to as FUO (fever of unknown origin).
   Found op http://www.medilexicon.com/medicaldictionary.php?t=74137
   
   

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