| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| VAGUS NERVE EXERCISE: Complete Self-Help Guide to Stimulate Your Vagal Tone, Relieve Anxiety and Prevent Inflamation - Learn the Secrects to Unleash Your Body Natural Healing Power | 978-1-6516-2172-1 (1-6516-2172-1) | 2019 |