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. 2019 Mar;11(3):857–864. doi: 10.21037/jtd.2019.02.11

Figure 1.

Figure 1

Low power (A) and high power (B) photomicrographs of immunohistochemical staining for p16 (brown) in lung tissues with IPF. Nuclear counterstaining was performed using hematoxylin. Original magnifications were ×40 in (A) and ×100 in (B).