| PWC | peak work capacity; physical work capacity |
|---|---|
| PX | pancreatectomized; peroxidase; physical examination |
| Px | past history; physical examination; pneumothorax; prognosis |
| REP | replication protein; rest-exercise program; retrograde pyelogram; roentgen equivalent-physical |
| rep | let it be repeated [Lat. repetatur]; replication; roentgen equivalent-physical |