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https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=453093100653988 1000 mcg Maintenance injections are usually needed every 2-3 months to ensure that B12 levels remain stable Amount:1 Sterile Water for Injection 10 ml Single-Dose Vials 25/Tray by Hospira (Rx)
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USD21.41