Open‐label pilot study: Non‐invasive vagal nerve stimulation improves symptoms and gastric emptying in patients with idiopathic gastroparesis. - Gottfried‐Blackmore, Andres; Adler, Emerald P.; Fernandez‐Becker, Nielsen; Clarke, John; Habtezion, Aida; Nguyen, Linda (Neurogastroenterology & Motility, 2020)