- EbookThe Vagus Nerve Gut Brain ConnectionWendy Hayden
- EbookMeditations to Soothe the Vagus NerveWendy Hayden
- EbookWhat Your Doctor Didn't Tell You About Childhood ConstipationWendy Hayden
- EbookThe Vagus Nerve Gut Brain Connection & Meditations to Soothe Your Vagus NerveWendy Hayden
- EbookBerth MarkWendy Hayden
- EbookEl Dolor De BarrigaWendy Hayden
- EbookDie Vagusnerv-Darm-Gehirn-VerbindungWendy Hayden
- EbookSeries: An Olivia Morgan Cruise Ship MysteryWendy Hayden