| NBD | neurogenic bladder dysfunction; no brain damage |
|---|---|
| NEMD | nonspecific esophageal motor dysfunction |
| NSD | Nairobi sheep disease; neonatal staphylococcal disease; neurosecretory dysfunction; night sleep depr... |
| OvDF | ovarian dysfunction |
| PDS | pain-dysfunction syndrome; paroxysmal depolarizing shift; patient data system; Patient-Doctor Societ... |