Autologous leukocyte-poor platelet-rich plasma injection in the treatment of knee osteoarthritis: short-term clinical effect analysis Journal title: Chinese Journal of Blood Transfusion Authors: Lei YANG, Doudou JING, Mingxi LIU, Zhenye GUO, Binai YANG, Shuzhong LIN, Demei ZHANG, Fengyan GUO, J... Subject(s): Hematology