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  1. Choking: First aid - Mayo Clinic

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

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

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

  5. Choking First Aid - First Aid Advice | St John Ambulance

  6. Learn choking first aid | British Red Cross

  7. [PDF]

    CHOKING

  8. Choking Definition, Symptoms, Causes, First Aid, Heimlich …

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

  10. Choking - Choking - Merck Manual Consumer Version