The document lists students from the Universidad Tecnica de Machala's Medicine School taking an eighth semester English class in Nefrology taught by Mgs. Barreto Huilcapi Lina Maribel in Machala, El Oro, Ecuador in 2018. The class includes five students - William Cruz, Kevin Herrera, Jorge Pacheco, Angie Chamba, and Sonia Quijilema.