| NEC | National Electrical Code; necrotizing enterocolitis; neuroendocrine cell; neuroendocrine convertase;... |
|---|---|
| NHBPCC | National High Blood Pressure Coordinating Committee |
| PAC | papular acrodermatitis of childhood; parent-adult-child; pericarditis-arthropathy-camptodactyly [syn... |
| PCAST | President's Committee of Advisors on Science and Technology |
| PCNV | postchemotherapy nausea and vomiting; Provisional Committee on Nomenclature of Viruses |