| ON | occipitonuchal; office nurse; onlay; optic nerve; orthopedic nurse; osteonecrosis; osteonectin; over... |
|---|---|
| ONG | optic nerve glioma |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| PNI | peripheral nerve injury; postnatal infection; prognostic nutritional index |
| PNL | peripheral nerve lesion; polymorphonuclear neutrophilic leukocyte |