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. 2016 Dec 30;80(1):83–89. doi: 10.4046/trd.2017.80.1.83

Figure 1. Intratracheal CSE injection led to the development of emphysema and an increase of apoptosis in mice. (A) Control group (H&E stain, ×100). (B) CSE group (H&E stain, ×100). (C) Control group (TUNEL, ×400). (D) CSE group (TUNEL, ×400). The arrows indicate TUNEL positive cells. CSE: cigarette smoke extract; TUNEL: terminal deoxynucleotidyl transferase dUTP nick-end labeling.

Figure 1