Rank | Abbreviation | Meaning |
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***** | OPERA | Observatoire Permanent de la Radioactivité dans l'Environnement
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***** | OPERA | Oscillation Project with Emulsion-Tracking Apparatus
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*** | OPERA | On-Line Periodicals and Research Area
| |
*** | OPERA | Operational Programme for the Exchange of Weather Radar Information
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** | OPERA | omapatrilat in persons with enhanced risk of atherosclerotic events
| |
** | OPERA | Oulu Project Elucidating Risk of Atherosclerosis
| |
* | OPERA | Outpatient Endometrial Resection and Ablation
| |
* | OPERA | Ordnance-pulsed experimental research assembly
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* | OPERA | Optical Packet Experimental Routing Architecture
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