| NBTNF | newborn, term, normal, female |
|---|---|
| NBTNM | newborn, term, normal, male |
| NCCU | newborn convalescent care unit |
| NCS | National Collaborative Study; neocarcinostatin; nerve conduction study; newborn calf serum; no conce... |
| PPHN | persistent pulmonary hypertension of the newborn |