| Keyword Brief | Keyword Text | View |
|---|---|---|
| None | intensive care unit | View |
| None | ICU | View |
| None | cardiovascular | View |
| None | circulatory | View |
| None | hematology | View |
| None | mortality | View |
| None | blood donor characteristics | View |
| None | transfusions | View |
| None | red blood cell transfusions | View |
| None | sex-matched | View |
| None | sex-mismatched | View |