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. Author manuscript; available in PMC: 2015 Oct 29.
Published in final edited form as: Arthritis Rheum. 2000 Jan;43(1):140–150. doi: 10.1002/1529-0131(200001)43:1<140::AID-ANR18>3.0.CO;2-P

Figure 1.

Figure 1

Percoll gradient-purified human cytotrophoblasts. Cells were stained after 24 hours (A), 48 hours (B), and 72 hours (C) of culture. (Hematoxylin and eosin stained; original magnification × 400.)