50
Participants
Start Date
February 29, 2012
Primary Completion Date
May 31, 2014
Study Completion Date
May 31, 2016
autologous platelet-rich plasma
The patients with knee cartilage injury were randomized to the intra-articular injection of autologous platelet-rich plasma group.
normal saline
The patients with knee cartilage injury were randomized to the normal saline group.
Chinese PLA General Hospital
OTHER