The following standard search terms were used: Stomach neoplasms, Eradication and Helicobacter pylori with the Boolean operator AND to limit the search to humans and randomized controlled trials.
Utilizando los términos normalizados MESH: "Stomach neoplasms", "Eradication" y "Helicobacter pylori", aplicando el operador booleano AND, limitando la búsqueda a humanos y estudios clínicos controlados aleatorizados.