- We must transfer all active factor.
- Human platelet activating factor，PAF Elisa Kit；...
- We often say that man is the most active factor of productive force.
- The Marxist consider the human as the most active factor in prolificacy .
- They also inhibit platelet activation factor and thereby reduce thrombosis, dilate arteries and capillaries, and block the release of chemotactic and inflammatory mediators from phagocytes.