| PEG | Patient Evaluation Grid; percutaneous endoscopic gastrostomy; pneumoencephalogram, pneumoencephalogr... |
|---|---|
| PEP | peptidase; phospho(enol)pyruvate; peer evaluation program; phosphoenolpyruvate; pigmentation, edema,... |
| PERK | prospective evaluation of radial keratotomy [protocol] |
| PERS | Patient Evaluation Rating Scale |
| PERT | program evaluation review technique |