File:Positive vs. negative contrast.png
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Positive_vs._negative_contrast.png (693 × 414 pixels, file size: 308 KB, MIME type: image/png)
Positive and negative radiocontrast agents
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:13, 24 November 2019 | 693 × 414 (308 KB) | Sabinakvasnicova (talk | contribs) |
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