Living Well with POTS, MCAS, and EDS: Evidence-Based Solutions for Managing Postural Orthostatic Tachycardia Syndrome, Mast Cell Activation Syndrome, and Ehlers-Danlos Syndrome eBook : Kaufman, Stella Marion: Books
https://www.amazon.com/Living-Well-POTS-MCAS-Evidence-Based-ebook/dp/B0FF9J1GCP/ref=zg_bsnr_g_157182011_d_sccl_13/000-0000000-0000000?psc=1