Text sign showing Purified Protein Derivative. Conceptual photo the extract of Mycobacterium tuberculosis Hu analysis Hand Pointing Down to Clipboard

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Text sign showing Purified Protein Derivative. Conceptual photo the extract of Mycobacterium tuberculosis Hu analysis Hand Pointing Down to Clipboard with Blank Bond Paper and Pencil

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Size: 6971px × 7000px
Photo credit: © Artur Szczybylo / Alamy / Afripics
License: Royalty Free
Model Released: No

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