| PEI | Patient Exit Interview; phosphate excretion index; physical efficiency index; polyethyleneimine |
|---|---|
| PERS | Patient Evaluation Rating Scale |
| PES | Patient Escort Service; photoelectron spectroscopy; physicians' equity services; polyethylene sulfon... |
| PETQI | patient education total quality improvement |
| PFC | pair-fed control [mice]; patient-focused care; pelvic flexion contracture; perfluorocarbon; pericard... |