Full text: Available Index: LILACS (Americas) Main subject: Periodicals as Topic / Internet / Drug Industry / Gastroenterology Type of study: Etiology study Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Arq. gastroenterol Journal subject: Gastroenterology Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital IGESP/BR