differentiation of blood disease的用法和样例：
- During past few years, researchers begin to have a more clear view of mechanism of blood production, genetics of blood disease, signal transduction by EPO, and study about screening EPO mimetics.
- There was a gash of blood from the wound reopening.
- A drop of blood slid down his leg.
- The corpse lay face down in a pool of blood.
- The sight of blood turned her stomach.