Hernández, Francisco, and Patricia Rivera. “ A Low Cost Method to Produce a Gaseous Environment for the Isolation of Helicobacter Pylori ”. Revista do Instituto de Medicina Tropical de São Paulo 34, no. 2 (April 1, 1992): 167–169. Accessed July 8, 2024. https://revistas.usp.br/rimtsp/article/view/28911.