| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |
|---|---|
| NEC | National Electrical Code; necrotizing enterocolitis; neuroendocrine cell; neuroendocrine convertase;... |
| NMES | neuromuscular electrical stimulation |
| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
| PEA | pelvic examination under anesthesia; phenylethyl alcohol; phenylethylamine; polysaccharide egg antig... |