| PNET | peripheral neuroepithelioma; primitive neuroectodermal tumor |
|---|---|
| PTLD | posttransplanatation lymphoproliferative disorder; prescribed tumor lethal dose |
| rH-TNF | recombinant human tumor necrosis factor |
| rHuTNF | recombinant human tumor-necrosing factor |
| rTHF | recombinant tumor necrosis factor |