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| blood group | M18 |
O10 |
Q6 |
|||
|---|---|---|---|---|---|---|
| donations | positive results | donations | positive results | donations | positive results | |
| 0 | 20 | — | 20 | — | 13 | — |
| A1 | 17 | — | 5 | — | 8 | — |
| A2 | 13 | — | 5 | — | 3 | — |
| A1B | 17 | 17 | 2 | 2 | 3 | 3 |
| A2B | 6 | 6 | 2 | 2 | — | — |
| B | 52 | 52 | 30 | 30 | 13 | 13 |
