| PNM | perinatal mortality; peripheral dysostosis, nasal hypoplasia, and mental retardation [syndrome]; per... |
|---|---|
| POMONA | pregnancy and postpartum, osteoporosis, mastectomy rehabilitation, osteoarthritis, nerve pain, athle... |
| PPNA | peak phrenic nerve activity |
| PTN | pain transmission neuron; pleiotrophin; posterior tibial nerve |
| RLN | recurrent laryngeal nerve; regional lymph node; relaxin |