include feeling tired | 0.57 |
develop | 0.26 |
develop over time | 0.25 |
last for week | 0.20 |
last for month | 0.20 |
last for year | 0.20 |
decrease appetite | 0.16 |
resemble other blood di… | 0.16 |
resemble medical proble… | 0.16 |
range | 0.16 |
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a lack of oxygen | 0.23 |