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VEGF seems to be a signaling protein, reportedly involved in angiogenesis, a process that may be responsible for the formation of new blood vessels from existing vasculature

Remember that proper technique includes site rotation to prevent tissue changes that could affect absorption

Larger vials exist, but the 5mg format reduces waste if a protocol needs to be adjusted mid-course, and it keeps reconstituted solution within its optimal stability window before a new vial is needed

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Approximately 28 days refrigerated at 2-8C