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. 2013 Sep 30:377–535. doi: 10.1007/978-94-007-7823-8_17

Fig. 17.1.

Fig. 17.1

(a) Gross specimens’ observation demonstrates foamy liquid filling in the lung tissues. (b) HE demonstrates pneumocystis in the alveolar exudates, which can be stained black by silver methenamine staining, ×400. (c) HE demonstrates the foamy substance in the alveolar space, ×400