TY - BOOK TI - Frontiers in Gastroenterology SN - 2813-1169 CY - Switzerland KW - Diseases of the digestive system. Gastroenterology KW - Internal medicine KW - Specialties of internal medicine KW - Medicine UR - https://doaj.org/toc/12aca1b932af4810a3b3c036a5274dd1 ER -