![HISTOLOGY: CARDIOVASCULAR: HEART: Normal: Micro trichrome distal His bundle well shown 00000485.jpg](./upload/2013/08/01/20130801094119-2ab2e2af.jpg)
HISTOLOGY: CARDIOVASCULAR: HEART: Normal: Micro trichrome distal His bundle well shown
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HISTOLOGY: CARDIOVASCULAR: HEART: Normal: Micro trichrome distal His bundle well shown