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. 2023 Jan 19;15(1):43–70. doi: 10.1007/s12551-022-01041-6

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Fig. 4 — Top: Hierarchical structure of collagen. modified under CC BY-SA 3.0 from Laboratoires Servier (2019). Bottom: Collagen organization in different biological entities (Morishige et al. 2011; Rivard et al. 2014; Mostaço-Guidolin et al. 2017)