| PNI | peripheral nerve injury; postnatal infection; prognostic nutritional index |
|---|---|
| PNL | peripheral nerve lesion; polymorphonuclear neutrophilic leukocyte |
| PNM | perinatal mortality; peripheral dysostosis, nasal hypoplasia, and mental retardation [syndrome]; per... |
| PNS | paraneoplastic syndrome; parasympathetic nervous system; partial nonprogressive stroke; peripheral n... |
| POMONA | pregnancy and postpartum, osteoporosis, mastectomy rehabilitation, osteoarthritis, nerve pain, athle... |