No Change in Risk of Stage 2 or Higher Necrotizing Enterocolitis
| Supplement | Research Paper | Effect Type | Effect Size |
|---|---|---|---|
| Bifidobacterium lactis | 10.1097/MPG.0b013e3181dc0d93 | Neutral | Small |
| Bifidobacterium animalis subsp. lactis B420 | 10.1097/MPG.0b013e3181dc0d93 | Neutral | Small |