Fig. 2From: Outcomes of human umbilical cord blood-derived mesenchymal stem cells in enhancing tendon-graft healing in anterior cruciate ligament reconstruction: an exploratory studyA composite of allogeneic human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) and hyaluronic acid hydrogel was injected into the femoral tunnels under arthroscopic guidance. A The needle tip was inserted into the femoral tunnel under arthroscopic guidance. B A positioned composite of allogeneic hUCB-MSCs and hyaluronic acid hydrogel was injected into the femoral tunnels after draining the fluidBack to article page