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. 2021 May 29;21:182. doi: 10.1186/s12890-021-01544-0

Fig. 2.

Fig. 2

Pathological analysis. a Active erythroid hyperplasia, primarily in the late juvenile erythrocytes, was observed and the central globus pallidus of some mature erythrocytes was enlarged. b Multiple erythrocytes and large numbers of hemosiderin-laden macrophages were observed