| NE | national emergency; necrotic enteritis; necrotizing enterocolitis; nephropathia epidemica; nerve end... |
|---|---|
| NRI | nerve root involvement; nerve root irritation; nonrespiratory infection |
| PN | papillary necrosis; parenteral nutrition; penicillin; perceived noise; percussion note; periarteriti... |
| CTR | Cardio-Thoracic Ratio |
| MURCS Associations | MUllerian duct aplasia, Renal aplasia, Cervico-thoracic vertebral(Somite) dysplasia Associations |