Fig. 1
From: Abrasion arthroplasty increases mesenchymal stem cell content of postoperative joint effusions
Mononuclear cells released after AAP and ACP. Postoperative joint effusion was collected for 21 h ± 2.5 h and mononuclear cells were isolated by ficoll density gradient centrifugation. Cells were counted after 1 week (n ≥ 8; mean, SEM)