Subacute combined degeneration of the spinal cord and atrophic gastritis: a literature review Jorge Luis Rojas Flórez, Libardo Sanchéz, Nelson Barrero Torres, Karen Giselle Ramírez Mora, Viviana Tíjaro Merchán, Viviana Poveda Hurtado, Alejandra Abella Rodríguez, Dilia Daza Araujo (Author)