| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syn... |
|---|---|
| PRD | partial reaction of degeneration; physician relations department; postradiation dysplasia |
| PRF | partial reinforcement; patient report form; perforin; plasma recognition factor; pontine reticular f... |
| PtcCO2 | transcutaneous partial pressure of carbon dioxide |
| PTT | partial thromboplastin time; particle transport time; posterior tibial tendon (transfer); prothrombi... |