หนังสือจาก Stephen Sarno

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  Vagus Nerve Exercises: A Step-by-Step Guide to Stimulate the Vagus Nerve and Access your Body's Healing Ability, the Ultimate Self-Help Solution for Chronic Illness, Anxiety and StressStephen Sarno
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  Vagus Nerve: How to Activate the Vagus Nerve and Access the Body's Natural Ability to Heal Chronic Illnesses, Including Self-Help Exercises to Overcome Anxiety, Stress and Stop OverthinkingStephen Sarno