PRF: Platelet Rich Fibrin

富含血小板（血）纤维蛋白

Blood has 2 components: Plasma (Proteins) and Blood Cells (Red, white and Platelets).

血液：血浆（凝血因子）和血球（红，白血球，血小板）

开场白     上    下

Xin Wei, DDS, PhD, MS 1st edition 07/07/2020, last revision 12/30/2020