| PET | peak ejection time; polyethylene terphthalate; poor exercise tolerance; positron emission tomography... |
|---|---|
| PEV | peak expiratory velocity |
| pev | peak electron volts |
| Pex | peak exercise |
| PF | pair feeding; peak flow; perfusion fluid; pericardial fluid; periosteal fibroblast; peritoneal fluid... |