ABPOSITIVE
| Date | Clue |
|---|---|
| 2020-01-08 | What's an uncommon blood type ... or a hint to this puzzle's theme |
| 2015-06-14 | Best blood type for a transfusion recipient |
| 2012-03-24 | Like some blood |
| 2008-03-05 | Universal recipient type |
| Date | Clue |
|---|---|
| 2020-01-08 | What's an uncommon blood type ... or a hint to this puzzle's theme |
| 2015-06-14 | Best blood type for a transfusion recipient |
| 2012-03-24 | Like some blood |
| 2008-03-05 | Universal recipient type |