Table 1: Experimental design.

Group BMSCs PRP n
BMSCs/PRP (500) 8 x 106 200 μl (Platelet 500 x 104/μl) 6
BMSCs/PRP (100) 8 x 106 200 μl (Platelet 100 x 104/μl) 18
BMSCs/PRP (20) 8 x 106 200 μl (Platelet 20 x 104/μl) 6
PRP (100) - 200 μl (Platelet 100 x 104/μl) 18
BMSCs 8 x 106 - 18
Control (Defect) - - 18

BMSCs: bone marrow stromal cells PRP: Platelet-rich plasma