| ONS | Oncology Nursing Society |
|---|---|
| PCN | penicillin; primary care nursing |
| PHN | paroxysmal noctural hemoglobinuria; passive Heymann nephritis; postherpetic neuralgia; public health... |
| PNO | Principal Nursing Officer |
| PNS | paraneoplastic syndrome; parasympathetic nervous system; partial nonprogressive stroke; peripheral n... |