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Answers and rating deltas for
Full Outer Join and Null Values: The # of successful medical attentions per Year pear Doctor
| Author | Votes | Δ |
|---|---|---|
| NineBerry | 3 | +2.12 |
| NineBerry | 1 | -0.88 |
| Gordon Linoff | 1 | -1.25 |
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