These are some options for closing a wound when it's not possible to get stiches right away.
Chest Seals: How to Safely Treat Deep Wounds
A sucking (and blowing) chest wound is the sound of not dying
How to Stop Bleeding and Save a Life - The New York Times
The Truth About Tourniquets - First Aid for Life
How to Use Triangular Bandage
How to Suture a Wound
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Living in Annapolis, MD
How to suture or close a wound – The Prepared