The document is a report from the Universidad Tecnica de Machala Academic Unit of Chemical Sciences and Health Medicine School. It was created by five students - William Cruz, Kevin Herrera, Jorge Pacheco, Angie Chamba, and Sonia Quijilema - for their eighth semester English class taught by Mgs. Barreto Huilcapi Lina Maribel in Machala, El Oro, Ecuador in 2018 on the topic of gastritis.