1 The effects of polyacrylamide hydrogel in normal and osteoarthritic animal joints L.H. Christensen, L. Camitz, K.E. Illigen, M. Hansen, R. Sarvaa, P.G. Conaghan  Osteoarthritis and Cartilage  Volume 24, Pages S449-S450 (April 2016) DOI: /j.joca Copyright © Terms and Conditions

2 Rabbit normal knee joint injected with a) PAAG and b) saline after 10 days and c) PAAG and d) HAG after 30 days. HE × 200 (a), × 100 (b–d). Osteoarthritis and Cartilage  , S449-S450DOI: ( /j.joca ) Copyright © Terms and Conditions