| Answer | Crossword Clue |
|---|---|
| ABO | Blood typing system |
| ABO | ..... system (blood typing) |
| ABO | ... system (blood typing) |
| ABO | Blood-typing system |
| ABO | .... system: blood-typing scheme |
| ABO | ... blood-typing |
| ABO | Blood typing abbr. |
| ABO | Blood typing syst. |
| RHFACTOR | Blood typing concern |
| ABO | Blood-typing syst. |
| NEG | Blood-typing abbr. |
| ABO | Blood typing letters |
| ABO | Blood-typing letters |
| ABO | Blood-typing sys. |
| LABTEST | Blood typing, e.g. |
| NEG | Bit of blood-typing shorthand |
| GROUPO | Universal donor's blood typing category |
| ANTIGEN | A or B in blood typing, e.g. |
