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. 2023 Feb 16;6(2):e1100. doi: 10.1002/hsr2.1100

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© 2023 The Authors. Health Science Reports published by Wiley Periodicals LLC.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Analysis of collagen gel contracture by the NS and the ST fibroblasts cultured in the presence and the absence of TGFβ1. (A) Representative images of the fibroblasts‐populated collagen gels observed at indicated time points; arrows indicate changes in the discs' diameters. (B, C) Graphic representations of the changes of the surface areas of the collagen gel discs populated with the NS fibroblasts (B) or ST fibroblasts (C) grown in the presence (open symbols) or the absence (closed symbols) of TGFβ1. NS, nonstiff patients; ST, stiff patients; TGFβ1, transforming growth factor β1.