| MHN | massive hepatic necrosis; Mohs hardness number; morbus hemolyticus neonatorum |
|---|---|
| NHIF | National Head Injury Foundation |
| NHT | nonpenetrating head trauma |
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| rH-TNF | recombinant human tumor necrosis factor |