1. Osteoarthritis and Cartilage
Platelet-rich plasma supplementation on hyaluronic acid/chondroitin sulfate hydrogel does not enhance the in vivo chondrogenesis in a rabbit osteochondral defect model 
B. Kim, H. Han, S. Lee, M. Lee 
Osteoarthritis and Cartilage 
Volume 24, (April 2016)
DOI: /j.joca
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2. Figure 1
(a) Osteochondral defect was made on the trochlear groove, and PRP embedded HA/CS gel was applied (b). Cartilage was regenerated at the defect site, but the small crater was remained in central area (c).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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3. Figure 2
Modified O'Driscoll's histologic scores for control and treatment groups at 12 weeks. The treatment groups that showed significant improvement compared with the control group at P < 0.05 are marked with asterisk.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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4. Figure 3
GAG contents of the regenerated tissue on the defect site. Asterisk, P < 0.05 for comparison between indicated groups.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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