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Further support of potential one-way valve-like mechanism of hepatic arteriolo-portal venular shunts, observed by preparation method 3. (A) Hepatic artery injected with Microfil®, and the portal vein injected with barium (lower contrast). (B) Evidence of Microfil® contained in the portal vein. (C) Portal vein cross-section completely filled with Microfil®.
