Noncontact magnetically controlled capsule endoscopy for infection-free gastric examination during the COVID-19 pandemic: a pilot, open-label, randomized trial - Zhu, Jia-Hui; Pan, Jun; Xu, Xiao-Nan; Liu, Ya-Wei; Qian, Yang-Yang; Jiang, Xi; Jiang, Bin; Zhou, Wei; Linghu, En-Qiang; Li, Zhao-Shen; Liao, Zhuan (Endoscopy International Open, 2022)