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  1. Adult & Child Choking: Symptoms and First Aid | Red Cross

  2. Choking: First aid - Mayo Clinic

  3. Choking: First Aid and Prevention | Johns Hopkins Medicine

  4. Heimlich Maneuver: Choking Treatment Rescue Procedure and First Aid

  5. What to Do When Someone is Choking: First Aid Steps

  6. Heimlich Maneuver: Steps, Instructions, When to Use - Verywell …

  7. First Aid for Choking: A Step-by-Step Guide - CPR Care

  8. Relief for Choking: First Aid Technique Everyone Should Know

  9. Choking and the Heimlich maneuver: First aid guide - ACLS

  10. First Aid: What to Do if Someone Is Choking - Solv