Abstract
Tian, D; Yan, HJ; Li, HX; Wei, ZT; Chen, WY
Tian, D (corresponding author), North Sichuan Med Coll, Dept Thorac Surg, Affiliated Hosp, Nanchong 637000, Peoples R China.
LANCET GASTROENTEROLOGY & HEPATOLOGY, 2021; 6 (7): S24