| serological tests required for blood donation | 1.19 | 0.4 | 9315 | 45 | 43 |
| blood tests for blood donation | 1.28 | 0.7 | 1875 | 30 | 92 |
| tests for blood donation | 0.92 | 0.1 | 7535 | 24 | 52 |
| what test is performed before blood donation | 1.98 | 0.2 | 5203 | 44 | 26 |
| testing for blood type donation | 0.23 | 0.5 | 7248 | 31 | 22 |
| blood donation screening tests | 1.57 | 0.5 | 161 | 30 | 34 |
| blood donation tests performed | 1.7 | 0.4 | 2026 | 30 | 79 |
| what do they test before donating blood | 0.2 | 1 | 7379 | 39 | 79 |
| tests performed on donated blood | 0.02 | 0.9 | 1891 | 32 | 19 |
| screening for blood donation | 1.26 | 0.9 | 8614 | 28 | 7 |
| blood test before donating blood | 0.52 | 0.8 | 8921 | 32 | 2 |
| what tests are done on donated blood | 0.49 | 0.1 | 4653 | 36 | 28 |
| what is tested when you donate blood | 0.13 | 0.9 | 1454 | 36 | 28 |
| screening test for blood donors | 0.81 | 0.8 | 3030 | 31 | 47 |
| how to check blood donation eligibility | 1.67 | 0.9 | 1324 | 39 | 87 |
| what are blood donations tested for | 0.43 | 0.4 | 9278 | 35 | 83 |
| donating blood tests performed | 0.49 | 0.2 | 7517 | 30 | 26 |
| what do they check before donating blood | 1.41 | 0.4 | 9331 | 40 | 3 |
