“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 , vol. 3, no. 3, Jan. 2022, pp. 17-25, https://revistas.unan.edu.ni/index.php/Salud/article/view/3731.