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Table S1: Primary antibodies for immunohistochemistry and immunofluorescence.

Figure S1: Confirmation of specific positive endothelial immunostaining using anti-von Willebrand Factor antibodies on an intramuscular porcine vessel (A). With the same antibody, panel B shows a specific staining on vessels of a porcine pancreas without a specific staining of exocrine tissue or duct cells (arrow) (B).

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