1. Osteoarthritis and Cartilage
The OA trial bank: individual patient data meta-analysis of trials investigating the effectiveness of intra-articular corticosteroid injections in patients with knee or hip OA 
M. van Middelkoop, K. Dziedzic, M. Doherty, W. Zhang, J. Bijlsma, T. McAlindon, S. Lohmander, S.M. Bierma-Zeinstra 
Osteoarthritis and Cartilage 
Volume 21, (April 2013)
DOI: /j.joca
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2. Figure 1 flow chart of organization OA Trial Bank.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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