1. Therapeutic trajectory following intra-articular hyaluronic acid injection in knee osteoarthritis – meta-analysis 
R.R. Bannuru, N.S. Natov, U.R. Dasi, C.H. Schmid, T.E. McAlindon 
Osteoarthritis and Cartilage 
Volume 19, Issue 6, Pages (June 2011)
DOI: /j.joca
Copyright © 2011 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Study flow chart.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2011 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2 Graph depicting the effect sizes (95% CI) for pain.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2011 Osteoarthritis Research Society International Terms and Conditions