| NFLPN | National Federation of Licensed Practical Nurses |
|---|---|
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| PNS | paraneoplastic syndrome; parasympathetic nervous system; partial nonprogressive stroke; peripheral n... |
| SI | System of International Units (Systeme International D'unites) |
| GUA | group of units of analysis |