1. 
   DJO
   [music] The genres judged are House music, Techno, Trance music, Breaks, Drum & Bass and Hip hop. Though the competition was originally intended for DJs only, the DJO has expanded and now includes Emcee, Beatbox, and Breakdance categories. Originally, the full title of the competition was "T...
   Found op http://en.wikipedia.org/wiki/DJO_(music)
   
   
2. 
   DJO
   Digital Journal of Ophthalmology
   Found op http://www.encyclo.co.uk/local/20895
   
   
3. 
   djo
   1) Digital journal of ophthalmology
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/djo/1
   
   

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