| NHDS | National Health Data System; National Hospital Discharge Survey |
|---|---|
| NHF | National Health Federation; National Hemophilia Foundation; nonimmune hydrops fetalis |
| NHS | Nance-Horan syndrome; National Health Service; National Hospice Study; normal horse serum; normal hu... |
| NMA | National Malaria Association; National Medical Association; neurogenic muscular atrophy; N-nitroso-N... |
| NMF | N-methylformamide; National Medical Fellowship; National Migraine Foundation; nonmigrating fraction |