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. 2022 Nov 3;9:976759. doi: 10.3389/fmed.2022.976759

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Copyright © 2022 Pérez-Mies, Caniego-Casas, Bardi, Carretero-Barrio, Benito, García-Cosío, González-García, Pizarro, Rosas, Cristóbal, Ruano, Garrido, Rigual-Bobillo, de Pablo, Galán, Pestaña and Palacios.

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Lung lesions in Pt. 25 with 41 days of evolution. (A) Hematoxylin and eosin showing interstitial enlargement. Scale bar: 100 μm. (B,C). Dual immunostaining with SPARC (magenta) and α-muscle actin showing a heterogeneous population of fibroblast expressing different levels of both proteins. Scale bar: 100 μm.