| AUC | Area under the curve |
| ELBW | Extreme low birth weight |
| IV | Intravenous |
| NEC | Necrotizing enterocolitis |
| NSAIDs | Non-steroidal anti-inflammatory agents |
| PDA | Patent ductus arteriosus |
| RCT | Randomized controlled trial |
| SIP | Spontaneous intestinal perforation |
| VLBW | Very low birth weight |
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