Vela-Velásquez CT. Comparison between gastric biopsies without fixation for 24 hours and conventional biopsy for the diagnosis of Helicobacter pylori in a reference hospital in Peru. Rev Peru Med Exp Salud Publica [Internet]. 2011 Mar. 31 [cited 2024 May 2];28(1). Available from: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/454