Prevalence and characteristics of Helicobacter pylori infection in food handlers of the “Rubén Darío” University Campus, UNAN-Managua. Revista Ciencias de la Salud y Educación Médica , [S. l.], v. 3, n. 3, p. 17–25, 2022. Disponível em: https://revistas.unan.edu.ni/index.php/Salud/article/view/3731. Acesso em: 12 aug. 2025.