There are multiple definitions:

1. electron paramagnetic resonance(English)

   • MRI
   • Magnetism, Biophysics

2. electronic patient record(English)

   • also ePR
   • Electronic health record

3. exercise pressor reflex(English)

   • ASIC, DEG, HF
   • Exercise & Training, Stress (test)

4. enhanced permeability and retention(English)

   • a passive bystander effect of therapeutic intervention. Typical for all agents with a size greater than 45 kDa. The EPR effect is characterized by an increased accumulation of macromolecules, such as antibodies, in tumors due to leaky tumor vasculature and dysfunctional lymphatic system
   • ADC, PSA
   • Oncology, Therapeutic approaches
   • https://pubmed.…h.gov/37736493/