Electron Paramagnetic Resonance 
engine pressure ratio 
Enlisted Performance Report 
Exhaust Pressure Regulator 
East Pacific Rise 
Ethylene Propylene Rubber 
Electrochemical potentiokinetic reacti… 
Essential Performance Requirements 
ethylene-propylene rubber 
Earth Potential Rise 
Einstein-Podolsky-Rosen 
Electronic Patient Record 
Electronic Patient Records 
Environmental Permitting Regulations 
Equipment Performance Report 
Extended Polluter Responsibility 
Extended Product Responsibility 
early phase response 
early-phase reaction 
Earnings Price Ratio 
Education in Personal Relationships 
Education Policy and Reform 
Effective Production Rate 
Effective Programme Review 
Einstein, Podolsky and Rosen 
electon paragmagnetic resonance 
Electrical Pressure Regulator 
electrochem. potentiodynamic reactivat… 
Electrochemical Potentiochemical React… 
electrochemical potentiometer reactiva…